lozenge
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lozenge
1. Med a medicated tablet held in the mouth until it has dissolved
2. Geometry another name for rhombus
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Lozenge
An equilateral four-sided figure with pairs of equal angles, two acute and two obtuse; a rhombic or diamond-shaped figure.

Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
lozenge
1. A rhomb or, more rarely, a rhomboid; usually one of a series.
2. In a double lancet window, a small light which pierces the space between the heads of the two lancets. (See illustration p. 608.)
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.