n. [ Gr. &unr_; to irrigate, fr. "y`dwr water. See Hydra.] A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug. [1913 Webster]
n. [ Hydra + Gr. &unr_; a flower. ] (Zool.) One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea. [ 1913 Webster ]