Noun: malacopterygian ,ma-lu,kóp-tu'ri-jee-un
- Any fish of the superorder Malacopterygii
"Salmon and herring are examples of malacopterygian";
- soft-finned fish
Derived forms: malacopterygians
Type of: teleost, teleost fish, teleostan
Antonym: acanthopterygian
Part of: Malacopterygii, superorder Malacopterygii