caller

Definitions

• (telephony) The person who makes a telephone call.
• A visitor.
• (bingo) The person who stands at the front of the hall and announces the numbers.
• (programming) A function that calls another (the callee).
• A whistle or similar item used to call foxes.
• (dance) The person who directs dancers in certain dances, such as American line dances and square dances.