Concise Bible Dictionary:

1. mezarim, literally “the scattering”: regarding the north wind as scattering the clouds and bringing severe cold. Elihu said the cold came out of the north. The word occurs only in Job 37:9.
2. tsaphon, “hidden, dark.” The ancients regarded the north as the region of gloom and darkness. This is the word commonly translated “north” in the Old Testament (Job 37:9, and elsewhere).
3. βορρᾶς, north (Luke 13:29; Rev. 21:13).