mainliner

[ meyn-lahy-ner, -lahy- ]

/ ˈmeɪnˌlaɪ nər, -ˈlaɪ- /

noun

Slang. a person who mainlines.

a person who belongs to a mainline group.

Nearby words

mainframe, mainland, mainland china, mainlander, mainline, mainliner, mainly, mainmast, mainour, mains, mainsail

Origin of mainliner

An Americanism dating back to 1930–35; mainline + -er¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019