The Collaborative International Dictionary of English v.0.48:
Courtyard \Court"yard\ (k?rt"y?rd`), n. A court or inclosure attached to a house. [1913 Webster]WordNet (r) 3.0 (2006):
courtyard n 1: an area wholly or partly surrounded by walls or buildings; "the house was built around an inner court" [syn: court, courtyard]