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 (trī-lō′bāt′) also tri·lobed (trī′lōbd′)
Having three lobes: a trilobate arrowhead; trilobate leaves.
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.


(traɪˈləʊbeɪt; ˈtraɪləˌbeɪt) ,




(Botany) (esp of a leaf) consisting of or having three lobes or parts
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(traɪˈloʊ beɪt, ˈtraɪ ləˌbeɪt)

also tri•lo′bat•ed,

having three lobes.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.trilobate - (of a leaf shape) divided into three lobes
compound - composed of more than one part; "compound leaves are composed of several lobes; "compound flower heads"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Rostrum directed somewhat downward, weakly trilobate; median lobe broadly triangular with rounded apex, barely visible in dorsal view; anterior margin with row of short setae.
In the upper row, disks are not only much larger, but also located within niches with trilobate arcades.
As well as the wooden vat and the ewer he is resting on it, the boy stands near a large brown earthenware jug, a glass bottle with a metal funnel, and a strange red trilobate bucket.
For the leaf area analysis (LA), it was considered that the leaf morphology can be different according to the species, from oblong-ovate to trilobate. The methodology followed by non-destructive measurement of the leaf area was proposed by Morgado et al.
Cercus strongly elongate with rounded or obtuse apex, rarely shallowly bi- or trilobate at tip, strongly upcurved.
The male specimens can be recognized by the pygofer ventrally 5 times longer than dorsally, with the ventroposterior margin trilobate, diaphragm wide and uniformly membranous; the aedeagus ventrocaudally curved, subtubular at base, shaft, furnished with retrorse small spines, abruptly narrowing in apical fourth, ending in an acute apex; phallotrema subapical on dorsolateral surface, the periandrum as a transversal strut shortly joined to the anal segment which is armed with a pair of long spinose processes extending ventrally close to one another on the caudal angles.
Pronotum with sides markedly expanded in metazona dorsum with characteristic black pattern connecting all sucli by two irregular stripes (Fig.2) female subgenital plate trilobate with well developed lateral lobes and large median lobes (Fig.I) ..........nigrorepletus Bolivar