the GNU version of the Collaborative International Dictionary of English
n. An inflammatory swelling or sore; a bulla, pustule, or blister.
n. A bladder growing on the root of the tongue of a horse, against the windpipe, and stopping the breath.
The Century Dictionary and Cyclopedia
n. A pustule; a blotch; a blister.
n. A bubble of water.
n. In farriery, a bladder growing on the root of the tongue against the windpipe, and tending to cause suffocation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an inflammatory swelling or sore
Word Usage
"The blain is a vesicular enlargement on the lateral and under part of the tongue in horses, oxen, and dogs, which, although not of unfrequent occurrence, or peculiarly fatal result, has not been sufficiently noticed by veterinary authors."