Blain (?), n. [OE. blein, bleyn, AS. blgen; akin to Dan. blegn, D. blein; perh. fr. the same root as E. bladder. See Bladder.]


An inflammatory swelling or sore; a bulla, pustule, or blister.

Blotches and blains must all his flesh emboss. Milton.

2. Far.

A bladder growing on the root of the tongue of a horse, against the windpipe, and stopping the breath.


© Webster 1913.

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