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


(traɪˈləʊbeɪt; ˈtraɪləˌbeɪt) ,




(Botany) (esp of a leaf) consisting of or having three lobes or parts


(traɪˈloʊ beɪt, ˈtraɪ ləˌbeɪt)

also tri•lo′bat•ed,

having three lobes.
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"
References in periodicals archive ?
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.
Bracts broadly elliptic, bi- or trilobate and bright red in their distal half, glabrous above, villous below, with those subtending the mature flowers becoming purplish.
2) female subgenital plate trilobate with well developed lateral lobes and large median lobes (Fig.