Also found in: Thesaurus, Medical, Legal, Idioms, Encyclopedia, Wikipedia.
Related to rooting: Rooting hormone

root 1

 (ro͞ot, ro͝ot)
a. The usually underground portion of a plant that lacks buds, leaves, or nodes and serves as support, draws minerals and water from the surrounding soil, and sometimes stores food.
b. Any of various other underground plant parts, especially an underground stem such as a rhizome, corm, or tuber.
a. The embedded part of an organ or structure such as a hair, tooth, or nerve, that serves as a base or support.
b. The bottom or supporting part of something: We snipped the wires at the roots.
3. The essential part or element; the basic core: I finally got to the root of the problem.
4. A primary source; an origin. See Synonyms at origin.
5. A progenitor or ancestor from which a person or family is descended.
a. often roots The condition of being settled and of belonging to a particular place or society: Our roots in this town go back a long way.
b. roots The state of having or establishing an indigenous relationship with or a personal affinity for a particular culture, society, or environment: music with unmistakable African roots.
7. Linguistics
a. The element that carries the main component of meaning in a word and provides the basis from which a word is derived by adding affixes or inflectional endings or by phonetic change.
b. Such an element reconstructed for a protolanguage. Also called radical.
8. Mathematics
a. A number that when multiplied by itself an indicated number of times forms a product equal to a specified number. For example, a fourth root of 4 is √2. Also called nth root.
b. A number that reduces a polynomial equation in one variable to an identity when it is substituted for the variable.
c. A number at which a polynomial has the value zero.
9. Music
a. The note from which a chord is built.
b. Such a note occurring as the lowest note of a triad or other chord.
v. root·ed, root·ing, roots
1. To grow roots or a root: Carrot tops will root in water.
2. To become firmly established or settled: The idea of tolerance has rooted in our culture.
1. To plant and fix the roots of (a plant) in soil or the ground.
2. To establish or settle firmly: Our love of the ocean has rooted us here.
3. To be the source or origin of: "Much of [the team's] success was rooted in the bullpen" (Dan Shaughnessy).
a. To dig or pull out by the roots. Often used with up or out: We rooted out the tree stumps with a tractor.
b. To remove or get rid of. Often used with out: "declared that waste and fraud will be vigorously rooted out of Government" (New York Times).
root and branch
Utterly; completely: The organization has been transformed root and branch by its new leaders.

[Middle English rot, from Old English rōt, from Old Norse; see wrād- in Indo-European roots.]

root′er n.

root 2

 (ro͞ot, ro͝ot)
v. root·ed, root·ing, roots
1. To turn up by digging with the snout or nose: hogs that rooted up acorns.
2. To cause to appear or be known. Used with out: an investigation that rooted out the source of the problem.
1. To turn over the earth with the snout or nose.
2. To search or rummage for something: rooted around for a pencil in his cluttered office.

[Middle English wroten, from Old English wrōtan.]

root′er n.

root 3

 (ro͞ot, ro͝ot)
intr.v. root·ed, root·ing, roots
1. To give audible encouragement or applause to a contestant or team; cheer. See Synonyms at applaud.
2. To give moral support to someone; hope for a favorable outcome for someone: We'll be rooting for you when you take the exam.

[Possibly alteration of rout.]

root′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rooting - the process of putting forth roots and beginning to grow
growing, growth, ontogenesis, ontogeny, maturation, development - (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
"You wallow fairly well," said the Pig, "but, my fine fellow, you have much to learn about rooting."
To determine how the root damage might affect the health of the tree, a professional arborist can estimate how much of the rooting area was affected within the critical root zone (CRZ), a circular area around the stem of the tree, usually smaller than the area defined by the outer reaches of the tree's branches, known as the drip line.
This research was conducted to determine the effects of treatments with indole-3-butric acid (0, 2, 4 and 6 g l-1 IBA) and plant growth promoting rhizobacteria (PGPR) (Burkholderia gladii-BA7,Bacillussubtilus-OSU142 and Bacillusmegatorium-M3) strains have on rooting and root growth of hardwood stem cuttings of black and white mulberry both alone and in combination with each bacterial strain.
The present investigation on clonal multiplication of guava (Psidium guajava L.) soft wood cuttings was done with the aim to determine the most successful media and rooting hormone (IBA) concentration.
New York, NY, April 22, 2015 --( Super Root Android is a one-click rooting software for Android devices.
"As such, this includes SuperSU v2.18 which is a special build for the Nexus 9, which you should definitely not try to put on any other device nor should you put an older version of SuperSU on the Nexus 9," ( clarification of ChainFire for the rooting kit exclusive on HTC Nexus 9 only.
But existence of course minerals (such as sand and gravels), which have low water holding capacity and high deep water percolation, cause moisture which is the most important factor in rooting of cuttings, easily be drained.
Maximum number of days to rooting (30.12) was taken by layering in Pendallino, root diameter (0.15) cm in Hamdi and Coratina and root length (5.84 cm) in Hamdi, while maximum number of roots (10.97) was observed in Pendallino and percent plant survival (60.24%) was recorded in Coratina.
Rooting an Android phone is kind of like jailbreaking an iPhone.
The extent of rooting in Tillandsia is inversely related to trichome density.
It is conventionally propagated by cuttings and seeds and it was reported that a slow seed germination, limited and delayed rooting of the vegetative cuttings have slowed down the mass propagation of this plant (Lim et al., 2006).