| hirudinea | (n) hermaphroditic aquatic or terrestrial or parasitic annelids, Syn. class Hirudinea |
| Hirudine | a. (Zool.) Of or pertaining to the leeches. [ 1913 Webster ] |
| Hirudinea | ‖n. pl. [ NL., fr. L. hirudo, hirudinis, a leech. ] (Zool.) An order of Annelida, including the leeches; -- called also |
| hirudinean | n. Any of a number of carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end. |