A hospital facility designed to treat persons with serious mental disorders, as opposed to disorders of the body.

(idiomatic) The times of the day when traffic jams are commonplace, due mainly to people commuting to or from work.

Alternative spelling of hot pot.

(chiefly UK) A stew of beef or lamb and potatoes.

Alternative spelling of hotline

A home that is built for a homebuilder according to their specifications without a sales order.

Hot water for use in industrial processes.

Water used, in any type of building, for domestic purposes, principally drinking, food preparation, sanitation and personal hygiene (but not including space heating, swimming pool heating, or processes such as commercial food preparation or clothes washing).

(Australia) A type of undersea hole or spring on the Great Barrier Reef in Australia, out of which comes fresh water that has flowed underground from the land.

(idiomatic, figuratively) A dangerous situation; trouble. / (idiomatic, figuratively) fierce criticism / Used other than figuratively or idiomatically: see hot, water.