To brew (tea) for too long, so that the flavour becomes too strong.
To suffer under uncomfortably hot conditions.
To cook (food) by slowly boiling or simmering.
To be in a state of elevated anxiety or anger.
A heated bath-room or steam-room; also, a hot bath.
A dish cooked by stewing.
A state of agitated excitement, worry, and/or confusion.
A steward or stewardess on an airplane or boat.
A pool in which fish are kept in preparation for eating.
An artificial bed of oysters.
Used other than figuratively or idiomatically: see vaulting, school. (A place where one learns to vault.)