The Collaborative International Dictionary
Lightroom
Lightroom \Light"room`\ (l[imac]t"r[=oo]m`), n. A small room from which the magazine of a naval vessel is lighted, being separated from the magazine by heavy glass windows.
Wiktionary
lightroom
n. A small room from which the magazine of a naval vessel is lighted, being separated from the magazine by heavy glass windows.