ligule noun. ['lɪgju:l] E17.
[Latin LIGULA.]
1. A Roman measure approximately equivalent to a small spoonful. Only in E17.

2. A narrow strap-shaped part of a plant; spec. (a) a membranous scale occurring on the inner side of the leaf-sheath at its junction with the blade in most grasses and sedges; also, a scale on the upper surface of a leaf in the selaginellas; (b) the blade formed by a ligulate floret. E19.

[TahlilGaran] English Dictionary ▲