noun
marine gastropod mollusk having a very small thin shell
• Member Holonyms: ↑Haminoea, ↑genus Haminoea
* * *
noun or bubble snail1. : any of a number of marine gastropod mollusks (order Opisthobranchia) having the shell comparatively thin and small with the body whorl enveloping the other whorls (as members of the Akeridae or of the genus Bulla) — see haminoea
2. : a freshwater snail of Physa or a related genus
Useful english dictionary. 2012.