base-court, basse-cour
1. A yard or ward behind the outer bailey of a castle.
2. On a farm, a service yard often reserved for fowl.
3. A lesser or service courtyard in any building.
4. (Brit.) A lower court of law.
bas-relief, basso-relievo, basso-rilievo
A carving, embossing, or casting moderately protruded from the background plane; low relief.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.