Lather

LATH'ER, v.i.
To form a foam with water and soap; to become froth, or frothy matter.
LATH'ER, v.t. To spread over with the foam of soap.
LATH'ER, n.
1. Foam or froth made by soap moistened with water.
2. Foam or froth from profuse sweat, as of a horse.

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