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Definition of: ligule
(lig′yl) noun
1. Biol. A strap–shaped organ or part.
2. Bot. a An appendage at the junction of the petiole and blade in grasses. b A strap–shaped corolla of certain flowers in the composite family. Also lig′u·la (-yə·lə). [<L ligula, dim. of lingua tongue; infl. in meaning by L ligare bind]
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