Definition of date mussel in English:

date mussel

Line breaks: date mus¦sel

noun

  • A brown, cigar-shaped bivalve mollusc which bores into limestone and coral.
    • Genus Lithophaga, family Mytilidae
    More example sentences
    • The date mussel's shell is covered with a thick brown layer of horny material, which protects it against the acid.
    • Urchin pits and piddock and date mussel holes are valuable habitat for other animals.
    • Some mussels, date mussels, secrete acid and dissolve limestone.

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