noun Building Trades.
(in a box window frame) a rough framework to which the trim is secured.
Typewriters Were Originally Created To Help The BlindOnce regarded as an indispensable device for any writer, the typewriter has long been regarded for both its beauty and functionality. But they were actually first invented to help the blind.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019