from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a door that is divided into two horizontally such that either part (or usually just the upper part) may be opened independently of the other
from the GNU version of the Collaborative International Dictionary of English
- adj. a door divided into two parts, horizontally, so arranged that the lower part can be shut and fastened, while the upper part remains open.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an exterior door divided in two horizontally; either half can be closed or open independently
Sorry, no etymologies found.