1. Allowing passage in two directions (a two-way street); moving in two directions (two-way traffic).
2. Expressive of, or involving, mutual action, a dyadic relationship or responsibility, give-and-take.
3. In sports, playing both offense and defence well; a two-way player.
4. Shorthand for a two-way radio or two-way TV; a device that allows people to talk back and forth, or otherwise interact, by electronic means.
For this we need a node?
Well, maybe. But I was actually inspired to node this because of a bit of lyric:
8 o'clock, Monday night and I'm waitin'
To finally talk to a girl a little cooler than me.
Her name is Nona, she's a rocker with a nose ring,
She wears a two-way, but I'm not quite sure what that means.
-- Girl All The Bad Guys Want, Bowling for Soup.
But, I'm not quite sure what that means. Google couldn't tell me. Onelook couldn't tell me. Even E2 couldn't tell me. If you can tell me, /msg me, and I'll add it.
-- Chinakow reports that the song refers to a two-way pager. I have no reason to doubt him.