[door] n, often attrib [ME dure, dor, fr. OE duru door & dor gate; akin to OHG turi door, L fores, Gk thyra] (bef. 12c) 1: a usu. swinging or sliding barrier by which an entry is closed and opened; also: a similar part of a piece of furniture
2: doorway
3: a means of access or participation: opportunity "opens new ~s" "~ to success" -- door.less adj -- at one's door : as a charge against one as being responsible "laid the blame at our door"