a tumorlike swelling due to obstruction of the lacrimal duct.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. A tumour or swelling anywhere within the lacrimal apparatus. 2. A blockage of a lacrimal punctum.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann