Lig"ule (?), n. [L.ligula, little tongue, dim of lingua tongue : cf. F. ligule.]
1. Bot. (a)
The thin and scarious projection from the upper end of the sheath of leaf of grass.
A strap-shaped corolla of flowers of Compositae.
A band of white matter in the wall of fourth ventricle of the brain.
© Webster 1913.