the only species of a family (Xiphiidae) of percoid fishes, a large, marine, food and game fish (Xiphias gladius) having a sail-like dorsal fin and a long, flat, swordlike upper jawbone
nounpl. swordfish or sword·fish·es
A large marine food and game fish (Xiphias gladius) having a long swordlike extension of the upper jaw.
(plural swordfish or swordfishes)
- A large marine fish with a long, pointed bill, Xiphias gladius.
(third-person singular simple present swordfishes, present participle swordfishing, simple past and past participle swordfished)
- To fish for swordfish.