Webster’s Revised Unabridged Dictionary · 1913
Limnæa
Lim·næ′a (lĭm·nē′ȧ), n. [NL., fr. Gr. λιμναῖος pertaining to a marsh, fr. λίμη a marsh.] (Zoöl.) A genus of fresh-water air-breathing mollusks, abundant in ponds and streams; — called also pond snail. [Written also Lymnæa.]