trof·​fer ˈträ-fər How to pronounce troffer (audio)
: an inverted trough serving as a support and reflector usually for a fluorescent lighting unit

Word History


blend of trough and coffer

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of troffer was in 1942

Dictionary Entries Near troffer

Cite this Entry

“Troffer.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2024.

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