heater has definitions from the field of baseball
1
[ noun ] device that heats water or supplies warmth to a room

Synonyms

warmer

Used in print

(The Family Fallout Shelter. Office of Civil and Defence...)

Even if the electric_power fails after an attack , any time that the heater has been used will make the shelter that_much more comfortable .

2
[ noun ] Last name, frequency rank in the U.S. is 9561
3
[ noun ] (baseball) a pitch thrown with maximum velocity

Examples

"he swung late on the fastball" "he showed batters nothing but smoke"

Related terms

pitch slider baseball

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