on-line (
http://definr.com/on-line)
adj 1: (transportation) on a regular route of a railroad or bus or
airline system; "on-line industries" [ant:
off-line]
2: (computer sci) connected to a computer network or accessible
by computer; "an on-line database" [ant:
off-line]
3: being in progress now; "on-line editorial projects" [syn:
on-line(a)]