['az?m??]
¦ noun
1. Astronomy the horizontal component of the direction of a celestial object from the observer, expressed as an angular distance from the north or south point of the horizon.
2. the horizontal angle or direction of a compass bearing.
Derivatives
azimuthal -'mju:?(?)l adjective
Origin
ME: from OFr. azimut, from Arab. as-samt, from al 'the' + samt 'way, direction'.