trifolium Meaning, Definition & Usage

  1. noun any leguminous plant having leaves divided into three leaflets
    genus Trifolium.

WordNet

Tri*fo"li*um noun
Etymology
L., clover.
Definitions
  1. (Bot.) A genus of leguminous herbs with densely spiked flowers and usually trifoliate leaves; trefoil. There are many species, all of which are called clover. See Clover.

Webster 1913