The term "compass needle" is often used to describe the small magnetized metal rod that points north on a compass. However, there are a variety of alternative synonyms that can be used to describe the compass needle. Some examples include "magnetic needle," "needle pointer," "directional needle," "north-seeking needle," and "orientation needle." Each of these terms conveys the same basic meaning as "compass needle," but may be more appropriate in certain contexts or for specific audiences. Ultimately, the choice of synonym will depend on the speaker or writer's preferences and the desired tone or emphasis of the communication.