Definify.com

Webster 1913 Edition

(līt′roōmˊ)

Noun.

A small room from which the magazine of a naval vessel is lighted, being separated from the magazine by heavy glass windows.

Noun.

In a ship of war, a small apartment, having double glass windows towards the magazine, and containing lights by which the gunner fills cartridges.

lightroom ‎(plural lightrooms)

A small room from which the magazine of a naval vessel is lighted, being separated from the magazine by heavy glass windows.