caller-up


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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.caller-up - the person initiating a telephone call; "there were so many callers that he finally disconnected the telephone"
speaker, talker, verbaliser, verbalizer, utterer - someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"