swordfish

From Middle English swerdfysche, equivalent to sword +‎ fish.

swordfish (countable and uncountable, plural swordfish or swordfishes)

1. A large marine fish with a long, pointed bill, Xiphias gladius.
   • 1913, Joseph C. Lincoln, chapter 1, in Mr. Pratt's Patients:

     Then there came a reg'lar terror of a sou'wester same as you don't get one summer in a thousand, and blowed the shanty flat and ripped about half of the weir poles out of the sand. We spent consider'ble money getting 'em reset, and then a swordfish got into the pound and tore the nets all to slathers, right in the middle of the squiteague season.

swordfish (third-person singular simple present swordfishes, present participle swordfishing, simple past and past participle swordfished)

1. To fish for swordfish.