A pair of compasses (a device used to draw an arc or circle).
A magnetic or electronic device used to determine the cardinal directions (usually magnetic or true north).
The range of notes of a musical instrument or voice.
Moderate bounds, limits of truth; moderation; due limits; used with within.
To surround; to encircle; to environ; to stretch round.
To go about or round entirely; to traverse.
A tool for drawing accurate circles or arches, usually consisting of two arms joined at one end in such a way that the arms can be opened and closed; one of the arms is pointed at its free end while the other holds a pencil, pencil lead or some other implement for making marks.