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Definition of Telephone jack
1. Noun. A jack for plugging in a telephone. 
Definition of Telephone jack
1. Noun. A jack on a wall used to connect a telephone to the telephone line. ¹
¹ Source: wiktionary.com
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1. Noun. A jack for plugging in a telephone. 
1. Noun. A jack on a wall used to connect a telephone to the telephone line. ¹
¹ Source: wiktionary.com