Pronunciation: (ē'zul), [key]
1. a stand or frame for supporting or displaying at an angle an artist's canvas, a blackboard, a china plate, etc.
2. Also called masking frame. Photog.a frame, often with adjustable masks, used to hold photographic paper flat and control borders when printing enlargements.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.