Entry 1 sense Webster, 1913 Stinger /stĭng'-ẽr/ · Sting·er · IPA /ˈstɪŋ.ɚ/ 01 n. One who, or that which, stings. 1. One who, or that which, stings. “Professor E. Forbes states that only a small minority of the medusae of our seas are stingers.” — Owen.