Alternative spelling of old sweat

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

plural of sweat gland

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

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

(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.

miliaria

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

To start sweating. / (idiomatic) To put effort into something.