Noun
compass needle (plural compass needles)
A magnetized pointer (usually marked on the North end) within a compass, free to align itself with the Earth's magnetic field.
Like a compass needle that points north, a man's accusing finger always finds a woman. Always. Khaled Hosseini
It was astonishing how quickly friendship could turn to enmity, she thought, like a compass needle swinging from one pole to the other. They'd been excellent friends. They'd make excellent enemies as well. Alastair Reynolds
Because I know you, Percy Jackson. In many ways, you are impulsive, but when it comes to your friends, you are as constant as a compass needle. You are unswervingly loyal, and you inspire loyalty. You are the glue that will unite the seven. Rick Riordan
Look at me, Mariam.' Reluctantly, Mariam did. Nana said, 'Learn this now and learn it well, my daughter: Like a compass needle that points north, a man's accusing finger always finds a woman. Always. You remember that, Mariam. Khaled Hosseini
Hans Christian Ørsted discovered in 1820 that an electric current produces a magnetic field which will deflect a compass needle. Source: Internet
If the needle tilts to one direction, tilt the compass slightly and gently to the opposing direction until the compass needle is horizontal, lengthwise. Source: Internet