Pronunciation: ' trä-f ə r, ' tro ̇ -
Function: noun
Etymology: blend of trough and coffer
Date: 1942
: an inverted trough serving as a support and reflector usually for a fluorescent lighting unit
Pronunciation: ' trä-f ə r, ' tro ̇ -
Function: noun
Etymology: blend of trough and coffer
Date: 1942
: an inverted trough serving as a support and reflector usually for a fluorescent lighting unit
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012