mollusc

English Wikipedia has an article on:

mollusc

Wikipedia

• mollusk (US)
• mollusque (archaic)

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

• (Received Pronunciation) IPA^(key): /ˈmɒləsk/
• (General American) IPA^(key): /ˈmɑləsk/

• Audio (US):

  (file)

mollusc (plural molluscs)

1. A soft-bodied invertebrate of the phylum Mollusca, typically with a hard shell of one or more pieces.

   Hyponym: conchiferan

   bivalve molluscs

   • 2016 January 21, “Choose Your Weaponry: Selective Storage of a Single Toxic Compound, Latrunculin A, by Closely Related Nudibranch Molluscs”, in PLOS ONE‎^[1], →DOI:

     For example, the antitumour depsipeptide kahalalide F was isolated from the opisthobranch mollusc Elysia rufescens, and is used by both the mollusc and its dietary alga Bryopsis spp.

   • 2022, Thomas Halliday, Otherworlds, Penguin, published 2023, page 25:

     Searching for hard-shelled prey – molluscs, crabs and the like – there are two species of bear otter in Kanapoi.

2. (figuratively) A weak-willed person.

   Synonyms: little girl, nose of wax, pushover

• Mollusca on Wikipedia.Wikipedia
• “mollusc”, in The American Heritage Dictionary of the English Language, 4th edition, Boston, Mass.: Houghton Mifflin, 2000, →ISBN.
• “mollusc”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
• "mollusc" in On-line Medical Dictionary, University of Newcastle upon Tyne, 1997–2005.
• "mollusc" in WordNet 2.0, Princeton University, 2003.

• Collums, Culloms