D defs.my
Entry 1 sense Webster, 1913

Limnæa

/(lĭm*nē"ȧ)/ · Lim·næ·a · IPA
01 prop. n. A genus of fresh-water air-breathing mollusks, abundant in ponds and streams; -- called also pond snail.
  1. 1.
    A genus of fresh-water air-breathing mollusks, abundant in ponds and streams; -- called also pond snail.(Zool.) Also: pond snail