tilt back(redirected from tilts on)
1. To lean or slope slightly backward. He tilted back in his chair to whisper something to his colleague. This computer monitor tilts back up to 45 degrees.
2. To cause something to lean or slope slightly backward. A noun or pronoun can be used between "tilt" and "back." Would you mind tilting the screen back a little bit? I can't see it very clearly. Let's tilt the sofa back and get cozy while we watch the movie.
tilt something back
to move something so it leans back. Alice tilted her chair back and nearly fell over. She tilted back her chair and relaxed.