Bart Foley
enclose, vb. (14c) 1. To surround or encompass; to fence or hem in on all sides. 2. To place (something) in a parcel or envelope. Also spelled inclose. Blacks Law Dictionary 2009 - Noun 1. envelope - a flat (usually rectangular) container for a letter, thin package, etc.envelope - a flat (usually rectangular) container for a letter, thin package, etc. container - any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
window envelope - an envelope with a transparent panel that reveals the address on the enclosure