The Collaborative International Dictionary of English v.0.48:
Stinging \Sting"ing\, a. Piercing, or capable of piercing, with a sting; inflicting acute pain as if with a sting, goad, or pointed weapon; pungent; biting; as, stinging cold; a stinging rebuke. -- Sting"ing*ly, adv. [1913 Webster] Stinging cell. (Zool.) Same as Lasso cell, under Lasso. [1913 Webster]