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Meaning of hotliner

hot•lin•er

Pronunciation: (hot'lī"nur), [key]
— n.
  1. a person who speaks to callers on a telephone hot line.
  2. a radio broadcaster who accepts calls on the air from individuals using a telephone hot line set up for that purpose.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.