Word.ws English Dictionary

shell sac

shell sac noun: the sac in which the shell of a mollusc is secreted during development; (now especially) the fold of mantle in which a cephalopod secretes its pen or gladius.

Noun

shell sac (plural shell sacs)

  1. The sac in which the shell of a mollusc is secreted during development; (now especially) the fold of mantle in which a cephalopod secretes its pen or gladius.
    • Baby cephalopods, even octopuses, all have a shell sac, which is comparable to the mantle folds that baby clams and snails use to make their shells.2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 115

Forms of shell sac

pluralshell sacs

Questions about shell sac

What does shell sac mean?
Shell sac means the sac in which the shell of a mollusc is secreted during development; (now especially) the fold of mantle in which a cephalopod secretes its pen or gladius.
What part of speech is shell sac?
Shell sac is a noun.
What is the plural of shell sac?
The plural of shell sac is shell sacs.

Words near shell sac in the dictionary

  1. shell pink
  2. shell pinks
  3. Shell Ridge
  4. shell road
  5. shell roads
  6. shell sac
  7. shell sacs
  8. shell sand
  9. shell script
  10. shell scripts
  11. shell shock

Source and license

Adapted from Wiktionary: shell sac (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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