o 1 n 1 l 1 i 1 n 1 e 1
6 letters · 6 points in Scrabble
Meaning
adjective on a regular route of a railroad or bus or airline system
adjective connected to a computer network or accessible by computer
adjective being in progress now
origin1950, from on + line.
Etymology from Wiktionary, CC BY-SA 3.0