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Definition of Hot line
1. Noun. A direct telephone line between two officials. 
Definition of Hot line
1. Noun. (alternative spelling of hotline) ¹
¹ Source: wiktionary.com
|  | 
1. Noun. A direct telephone line between two officials. 
1. Noun. (alternative spelling of hotline) ¹
¹ Source: wiktionary.com