[hot line] n (1955) 1: a direct telephone line in constant operational readiness so as to facilitate immediate communication
2: a usu. toll-free telephone service available to the public for some specific purpose "a consumer hot line"
[hot line] n (1955) 1: a direct telephone line in constant operational readiness so as to facilitate immediate communication
2: a usu. toll-free telephone service available to the public for some specific purpose "a consumer hot line"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012