Fla-gĕl'lum, n.

n.; pl. FLA-GĔL'LĀ. [Lat., a whip.] 1. (Bot.) A young, flexible shoot of a plant, especially the long, trailing branch of a vine. 2. (Zoöl.) An appendage to the legs of some crustaceous animals, having some resemblance to a whip. Owen.