malacostomous

English

Etymology

From malaco- +‎ stoma +‎ -ous.

Adjective

malacostomous (comparative more malacostomous, superlative most malacostomous)

1. (zoology, archaic) Having soft jaws without teeth.

   malacostomous fish

References

• “malacostomous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.