The Collaborative International Dictionary
pond snail
Lim naea \Lim *n[ae]"a\ (l[i^]m*n[=e]"[.a]), n. [NL., fr. Gr. limnai^os pertaining to a marsh, fr. li`mh a marsh.] (Zo["o]l.) A genus of fresh-water air-breathing mollusks, abundant in ponds and streams; -- called also pond snail. [Written also Lymn[ae]a.]