I. Date: 1938 transitive verb to take by or as if by injecting into a principal vein, intransitive verb to ~ a narcotic drug, II. adjective Date: 1941 being part of an established group
MAINLINE
Meaning of MAINLINE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012