/ ˌɒnˈlaɪn; NAmE ˌɑːn-; ˌɔːn-/ adjective
controlled by or connected to a computer or to the Internet :
Online shopping is both cheap and convenient.
an online database
► on·line adverb :
The majority of small businesses now do their banking online.
—see also be, come, etc. on line at line noun