Ab·dom·i·nal, n.; E. pl. Abdominals, L. pl. Abdominales. A fish of the group Abdominales.
◄ ►
Ab·dom·i·na·les n. pl. Zool. A group including the greater part of fresh-water fishes, and many marine ones, having the ventral fins under the abdomen behind the pectorals.
◄ ►