an instrument with a needle that points to the magnetic north
boundary, periphery
Cases of word usage
1) a thin, pointed piece of polished steel with a small hole at one end for thread, used in sewing; a long, thin piece of metal used for knitting; a pointer used as an indicator in a measuring instrument, compass etc (needle)
2) to cause oneself to become familiar with a situation, surroundings etc; to place or determine exactly the position of (something) using a compass (orientate)
