Gunner

1. n. The sea bream.
2. n. One who works a gun, whether on land or sea; a cannoneer.
3. n. A warrant officer in the navy having charge of the ordnance on a vessel.
4. n. The great northern diver or loon. See Loon.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.