ringtail \ˈ ̷ ̷ˌ ̷ ̷\noun 1. a.dialect England: the female or immature hen harrier b.: an immature golden eagle c.: hudsonian godwit 2. a.: cacomistle b.: ring-tailed opossum c.: raccoon 3.: a studding sail set on the gaff of a fore-and-aft sail abaft the leech 4.orringtail monkeyalsoring-tailed monkey: capuchin