a. [ Multi- + polar. ] 1. Having many poles; in Anat., designating specif. a nerve cell which has several dendrites. [ Webster 1913 Suppl. ]
2. (Elec.) Having, or pertaining to, many poles, as a field magnet or armature of a dynamo, or a dynamo having such a field magnet or (sometimes) armature. [ Webster 1913 Suppl. ]