hot-air balloon
- n balloon for travel through the air in a basket suspended below a large bag of heated air
hot-rock penstemon
- n stems in clumps with cream-colored flowers; found from Washington to Wyoming and southward to California and Utah
hot-water bag
- n a stoppered receptacle (usually made of rubber) that is to be filled with hot water and used for warming a bed or parts of the body
hot-water bottle
- n a stoppered receptacle (usually made of rubber) that is to be filled with hot water and used for warming a bed or parts of the body
hot-work steel
- n an alloy steel that remains hard at a red heat; used to make metal-cutting tools
hot air
- n air that has been heated and tends to rise
- n loud and confused and empty talk
hot cake
- n a flat cake of thin batter fried on both sides on a griddle