arrowhead


Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.

ar·row·head

 (ăr′ō-hĕd′)
n.
1. The pointed striking tip of an arrow, typically a knapped, wedge-shaped stone or a fitted metal cap.
2. Something, such as a directional mark on a sign or drawing, having the shape of an arrowhead.
3.
a. Any of various aquatic or wetland perennial plants of the genus Sagittaria, having arrowhead-shaped leaves and panicles of white, unisexual flowers.
b. The edible tubers of various Sagittaria species, especially S. sagittifolia of Eurasia or S. latifolia of North America.

arrowhead

(ˈærəʊˌhɛd)
n
1. (Arms & Armour (excluding Firearms)) the pointed tip of an arrow, often removable from the shaft
2. something that resembles the head of an arrow in shape, such as a triangular decoration on garments used to reinforce joins
3. (Plants) any aquatic herbaceous plant of the genus Sagittaria, esp S. sagittifolia, having arrow-shaped aerial leaves and linear submerged leaves: family Alismataceae

ar•row•head

(ˈær oʊˌhɛd)

n.
1. a usu. wedge-shaped, pointed tip on an arrow.
2. anything resembling or having the conventional shape of an arrowhead.
3. any of various aquatic or bog plants of the genus Sagittaria, water plantain family, with arrowhead-shaped leaves and clusters of white flowers.
[1350–1400]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arrowhead - the pointed head or striking tip of an arrowarrowhead - the pointed head or striking tip of an arrow
arrow - a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow
barb - a subsidiary point facing opposite from the main point that makes an arrowhead or spear hard to remove
point - sharp end; "he stuck the point of the knife into a tree"; "he broke the point of his pencil"
tip, peak, point - a V shape; "the cannibal's teeth were filed to sharp points"
Translations
رأس السَّهْمنَبات السَّهْمِيَّـه
hrot šípumaranta třtinová
pilebladpilespids
marantepointe de flèchequeue-d’aronde
nyílhegynyílnyílfű
örvarblaîörvaroddur
hrot šípumaranta trstinová
ok başıok ucuok yapraklı bitki

arrowhead

[ˈærəʊhed] Npunta f de flecha

arrowhead

arrow-head [ˈærəʊhɛd] npointe f de flèche

arrowhead

[ˈærəʊˌhɛd] n
a.punta di freccia
b. (Bot) → sagittaria

arrow

(ˈӕrəu) noun
1. a thin, straight stick with a point, which is fired from a bow.
2. a sign shaped like an arrow eg to show which way to go. You can't get lost – just follow the arrows.
arrowhead noun
1. a water plant with leaves shaped like an arrowhead.
2. the tip of an arrow, shaped to a point.
References in classic literature ?
At every mooring-chain and rope, at every stationery boat or barge that split the current into a broad- arrowhead, at the offsets from the piers of Southwark Bridge, at the paddles of the river steamboats as they beat the filthy water, at the floating logs of timber lashed together lying off certain wharves, his shining eyes darted a hungry look.
I planted about two acres and a half of upland; and as it was only about fifteen years since the land was cleared, and I myself had got out two or three cords of stumps, I did not give it any manure; but in the course of the summer it appeared by the arrowheads which I turned up in hoeing, that an extinct nation had anciently dwelt here and planted corn and beans ere white men came to clear the land, and so, to some extent, had exhausted the soil for this very crop.
EDT -Chris Anzalone, Ph.D., Arrowhead's president and CEO, will deliver a corporate presentation
Using a broad portfolio of RNA chemistries and efficient modes of delivery, Arrowhead therapies trigger the RNA interference mechanism to induce rapid, deep, and durable knockdown of target genes.
"Arrowheads, Spears, and Buffalo Jumps" also includes photographs of artifacts and excavation sites, as well as a list of archaeological sites you can visit while exploring the vast plains where mammoths used to roam.
Arrowhead General Insurance Agency has launched Quake Assist - a commercial earthquake program designed to help protect California business owners.
STS Component Solutions, a division of STS Aviation Group, will be providing global support for Arrowhead Products in the commercial aftermarket.
Arrowhead said by forming this partnership with Epiphany, the company will expand its ability to treat skin conditions and cancers.
Arrowhead Concrete is a supplier of aggregates, ready-mixed concrete and other products, servicing municipalities, contractors and do-it-yourselfers in southwest Wyoming communities.
Hamilton was Medical Director and Head of Corporate Development at Arrowhead. He led Arrowhead's acquisition of the Novartis RNAi assets and led Arrowhead's $670 Million cardiovascular deal with Amgen.
As Choyce Peterson had represented Arrowhead in a previous lease negotiation several years earlier, Craig Pisani, Managing Director of Arrowhead, felt very confident calling upon Mr.
This report provides comprehensive information on the current therapeutic developmental pipeline of Arrowhead Research Corporation's, complete with comparative analysis at various stages, therapeutics assessment by drug target, mechanism of action (MoA), route of administration (RoA) and molecule type.