Word.ws English Dictionary

malacostomous

malacostomous adjective: having soft jaws without teeth.

Adjective

malacostomous (comparative more malacostomous, superlative most malacostomous)

  1. (archaic) Having soft jaws without teeth.
    • malacostomous fish

Forms of malacostomous

comparativemore malacostomous
superlativemost malacostomous

Origin of malacostomous

From malaco- + stoma + -ous.

Questions about malacostomous

What does malacostomous mean?
Malacostomous means having soft jaws without teeth.
What part of speech is malacostomous?
Malacostomous is an adjective.

Words near malacostomous in the dictionary

  1. malacosporeans
  2. malacospores
  3. malacosteine
  4. malacosteines
  5. malacosteon
  6. malacostomous
  7. malacostracan
  8. malacostracans
  9. malacostracean
  10. malacostracologist
  11. malacostracologists

Source and license

Adapted from Wiktionary: malacostomous (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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Cite this entry: “malacostomous.” Word.ws, https://word.ws/malacostomous. Based on Wiktionary, CC BY-SA 4.0.