ligule definition by Webster's New World
- a strap-shaped corolla in the flowers of certain composite plants
- a thin membrane attached to a leaf of grass at the point where the blade meets the leaf sheath
- any of various similar appendages on other plants
Origin: Classical Latin ligula, a spoon, tongue of a shoe, shoe strap ; from Indo-European base an unverified form leiğh-, to lick from source Middle Irish liag, lick: influenced, influence by associated, association with Classical Latin lingua, tongue, ligare, to bind
ligule definition by American Heritage Dictionary
Origin: Latin ligula, diminutive of lingua, tongue; see dṇghū- in Indo-European roots.
ligule - Science Definition