Meaning of shell sac | Babel Free
Definitions
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.
Examples
“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.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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