See also: notar, Notar, and notář English Noun NOTAR (aviation) Acronym of no tail rotor, a helicopter anti-torque system which replaces the use of a tail rotor. Anagrams Taron, rat on, trona, Arnot, natro-, Trona, Raton, rotan, toran, orant, TonraWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads