Definition of mud snail in English:

mud snail

noun

  • Any of various snails found in mud; specifically (a) either of two European pond snails of the genus Lymnaea (family Lymnaeidae), the slender-shelled L. glabra and (less commonly) L. trunculata; (b) NZ a pulmonate, Amphibola crenata (family Amphibolidae), found on mudflats in New Zealand; (c) a snail of the marine family Nassariidae; (d) a tiny European spire shell, Hydrobia ulvae (family Hydrobiidae).

Origin

Late 19th century; earliest use found in The Century Dictionary. From mud + snail.

Pronunciation

mud snail

/ˈmʌd ˌsneɪl/