/mal'euh kop'teuh rij"ee euhn/ , adj.
belonging or pertaining to the Malacopterygii (Malacopteri), a group of soft-finned, teleost fishes.
[ 1825-35; Malacopterygi ( i ) ( malaco- MALACO- + -pterygii, pl. of -pterygius finned, winged, adj. deriv. of Gk pterýgion, dim. of ptéryx wing, fin) + -AN ]