Also 9 erron. xy-. [L., a. Gr. ξιφίας, f. ξιφος sword.]

1

  1.  A swordfish, esp. X. gladius; in mod. Zool., the genus of fishes of which this is the common species, characterized by having the upper jaw prolonged into a sword-like weapon.

2

1667.  Phil. Trans., II. 492. Having … dissected the head of a Xiphias or Sword-fish.

3

1763.  C. Smart, Song to David, lxxv. Strong through the turbulent profound Shoots xiphias to his aim.

4

1860.  Wraxall, Life in Sea, v. 108. The heel of an East Indiaman was once bored by a twenty-foot Xyphias so violently, that the sword went in up to the root, and the fish was killed by the force of the blow.

5

  2.  Astron. A southern constellation, also called Dorado or the Sword-fish.

6

1728.  Chambers, Cycl., s.v. Constellation.

7

1771.  [see SWORD-FISH 2].

8

  Hence Xiphiad, a fish of the family Xiphiidæ.

9

1859–62.  Sir J. Richardson, etc., Mus. Nat. Hist. (1868), II. 137. Xiphiads or Sword-fishes.

10