noun lig·ule \ˈli-(ˌ)gyül\

Definition of LIGULE

:  a scalelike projection especially on a plant: as
a :  a thin appendage of a foliage leaf and especially of the sheath of a blade of grass
b :  a ligulate corolla of a ray floret in a composite head

Origin of LIGULE

New Latin ligula, from Latin, small tongue, strap, from lingere to lick — more at lick
First Known Use: circa 1847


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