caller : Idioms & Phrases
caller id
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noun a small display that will show you the telephone number of the party calling you
WordNet
caller-out
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noun a person who announces the changes of steps during a dance
caller.
- you need a fiddler and a caller for country dancing
WordNet
caller-up
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noun the person initiating a telephone call
phoner; caller; telephoner.
- there were so many callers that he finally disconnected the telephone
WordNet
signal caller
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noun (football) the person who plays quarterback
field general; quarterback.
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noun (American football) the position of the football player in the backfield who directs the offensive play of his team
field general; quarterback.
- quarterback is the most important position on the team