Definition of modiolid in English:

modiolid

Pronunciation /məˈdʌɪəlɪd/ /mɒˈdʌɪəlɪd/

noun

Zoology
  • A modiolid bivalve mollusc.

adjective

Zoology
  • Of, relating to, or designating a bivalve mollusc of the group typified by the horse mussel Modiolus (family Mytilidae).

Origin

1950s. From scientific Latin Modiolus + -id.