Etymology: First attested 1563, from Italian architrave, from archi- “main” + trave- “beam.”
Noun: architrave (plural architraves)
1. (architecture) The lowest part of an entablature; ressts on the capitals of the columns
2. (architecture) The mouldings (or other elements) framing a door, window, or other rectangular opening
“Architrave.” Wiktionary, a wiki-based Open Content dictionary. 13 Nov 2008, 09:46. 11 Apr 2009 <http://en.wiktionary.org/w/index.php?title=architrave&oldid=5518799>.