The Collaborative International Dictionary of English v.0.48:
athar \athar\ n. 1. essential oil or perfume obtained from flowers. Syn: attar, atar, ottar, otto [WordNet 1.5]WordNet (r) 3.0 (2006):
athar n 1: essential oil or perfume obtained from flowers [syn: attar, atar, athar, ottar]