From Longman Dictionary of Contemporary Englishhotlinehot‧line, hot line /ˈhɒtlaɪn $ ˈhɑːt-/ noun [countable] TCTa special telephone line for people to find out about or talk about something Call our crime hotline today.
Examples from the Corpus
hotline• Mrs McGrath said he was arrested after a local newspaper set up a hotline appealing for information.• I phoned the Packard Bell hotline and after a couple of days' wait they were very helpful.• In the world of computer hotlines, good techs are in high demand.• Call the Rialto concert hotline, 740-0126, for more information.• In the past, local hotlines have to the best of their ability provided only a patchwork quilt of assistance.• Call our special hotline to voice your opinion.• The telephone hotline for remaining tickets is 071-793 1234.From Longman Business Dictionaryhotlinehot‧line /ˈhɒtlaɪnˈhɑːt-/ (also hot line) noun [countable] a special telephone line for people to ask for information, give their opinions about something etcAmerican Express operates a 24-hour hotline with Japanese-speaking operators and travel counselors in several cities. 