# mollusc

> English word · Noun · IPA /ˈmɒləsk/ · frequency rank #79,769

## Definitions
1. A soft-bodied invertebrate of the phylum Mollusca, typically with a hard shell of one or more pieces.
2. A weak-willed person.

## Etymology
Borrowed from French mollusque, from New Latin Mollusca (phylum name), from Latin molluscus (“thin-shelled”), from mollis (“soft”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/mollusc