threefin التعريفات والمعاني == English == === Etymology === From three + fin. === Noun === threefin (plural threefins) A triplefin. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة threefins three-finger salute three-finger salutes threefold three-ring circus three-line whip threepence threshing floor three-fifths