bowl(redirected from mastoid bowl)
Also found in: Dictionary, Thesaurus.
1. Chiefly US a bowl-shaped building or other structure, such as a football stadium or amphitheatre
2. a bowl-shaped depression of the land surface
1. a wooden ball used in the game of bowls, having flattened sides, one side usually being flatter than the other in order to make it run on a curved course
2. a large heavy ball with holes for gripping with the fingers and thumb, used in tenpin bowling
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
An open-top diffusing glass or plastic enclosure used to shield a light source from direct view and to redirect or scatter the light.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.