troffer

The definition of a troffer is a long recessed light fixture, especially on in the ceiling or for a fluorescent light.

(noun)

An example of a troffer is a fluorescent light fixture recessed in the ceiling.

See troffer in Webster's New World College Dictionary

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noun

a ceiling recess like an inverted trough with its bottom next to the ceiling: used esp. to enclose fluorescent lamps

Origin: altered < trough + -er

See troffer in American Heritage Dictionary 4

noun

An inverted, usually metal trough suspended from a ceiling as a fixture for fluorescent lighting tubes.

Origin:

Origin: Alteration of trough

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