Hooker \Hook"er\, n.

1. One who, or that which, hooks.

2. (Naut.)
   (a) A Dutch vessel with two masts.
   (b) A fishing boat with one mast, used on the coast of Ireland.
   (c) A sailor's contemptuous term for any antiquated craft.

Source: Webster's Revised Unabridged Dictionary (1913)