Ligula

n. pl. L. Ligulæ (-lē), E. Ligulas (-låz).

1. (Bot.) See Ligule.
1. The central process, or front edge, of the labium of insects. It sometimes serves as a tongue or proboscis, as in bees.
2. A tongue-shaped lobe of the parapodia of annelids. See Parapodium.