TROFFER
Meaning of TROFFER in English
/trof"euhr, traw"feuhr/ , n.
a trough-shaped reflector holding one or more fluorescent lamps.
[ 1940-45; troff (var. of TROUGH) + -ER 1 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012