1. noun /swɛt/
a) Fluid that exits the body through pores in the skin usually due to physical stress and/or high temperature for the purpose of regulating body temperature and removing certain compounds from the circulation.
When the sweat comes back this summer, 1528, people say, as they did last year, that you wont get it if you dont think about it.
2. verb /swɛt/
a) To emit sweat.
There are few matters studio executives sweat more than maintaining their franchises.
b) To work hard.
to sweat blood.
Wikipedia foundation.