troffer Hear it!

troffer definition

☆ trof·fer (träf′ər, trôf′-)

noun

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

Etymology: altered < trough + -er

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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