TRIFOLIATE
trifoliate, trifoliolate, trifoliated
(adjective) (of a leaf shape) having three leaflets
Source: WordNet® 3.1
Etymology
Adjective
trifoliate (not comparable)
(chiefly, botany) Having or comprising three leaves, or (loosely) trifoliolate (with three leaflets) or having leaves with three parts, as the clover plant.
Comprising, abounding with, or featuring trefoils.
Noun
trifoliate (plural trifoliates)
A trifoliate plant
Source: Wiktionary
Tri*fo"li*ate, Tri*fo"li*a`ted, a. Etym: [Tri- + foliate. Cf.
Trefoil.] (Bot.)
Definition: Having three leaves or leaflets, as clover. See Illust. of
Shamrock.
Source: Webster’s Unabridged Dictionary 1913 Edition