troffer

noun
trof·​fer | \ ˈträ-fər How to pronounce troffer (audio) , ˈtrȯ- \

Definition of troffer

: an inverted trough serving as a support and reflector usually for a fluorescent lighting unit

First Known Use of troffer

1942, in the meaning defined above

History and Etymology for troffer

blend of trough and coffer

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The first known use of troffer was in 1942

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Cite this Entry

“Troffer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/troffer. Accessed 1 Mar. 2021.

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