[ran.kle] vb ran.kled ; ran.kling [ME ranclen to fester, fr. MF rancler, fr. OF draoncler, raoncler, fr. draoncle, raoncle festering sore, fr. ML dracunculus, fr. L, dim. of draco serpent--more at dragon] vi (1606) 1: to cause anger, irritation, or deep bitterness
2: to feel anger and irritation ~ vt: to cause irritation or bitterness in