Lig·u·la n.; pl. L. Ligulæ E. Ligulas
1. Bot. See Ligule.
2. Zool. (a) The central process, or front edge, of the labium of insects. It sometimes serves as a tongue or proboscis, as in bees. [See Illust. under Labium, and Hymenoptera.] (b) A tongue-shaped lobe of the parapodia of annelids. See Parapodium.
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