Alternative spelling of old sweat

(Britain, military slang, chiefly WWI) An experienced soldier. / (Britain, military slang) A veteran soldier or war veteran. / (Britain, slang, figuratively) Someone experienced in his or her field.

plural of sweat gland

(anatomy) An exocrine gland found under the skin in mammals for regulating body temperature.

(transitive, informal) To lose (weight) by sweating (from heavy exercise, sauna etc.).

(colloquial) To do hard physical exercise or work, and sweat as a result. / (colloquial) To wait or endure anxiously.

miliaria

(idiomatic, real estate, business) An investment of labour, typically by the owner and often his or her family, usually in a small business or personal residence that increases the value of the business or residence.

An unidentified, highly virulent disease with aches and sweating, the cause of a series of epidemics in England and Europe between 1485 and 1551.

sweating sickness