noun 1.any
guide or indication of a future course of action:
guidelines on the government's future policy. 2.a lightly marked
line used as a
guide, as in composing a drawing, a typed page, or a
line of lettering.
3.a rope or cord that serves to
guide one's steps, especially over rocky terrain, through underground passages, etc.
4.a rope or wire used in
guiding the
movement of stage scenery or curtains being raised or lowered.