v. & n.
--v.intr. (throbbed, throbbing)
1. palpitate or pulsate, esp. with more than the usual force or rapidity.
2 vibrate or quiver with a persistent rhythm or with emotion.
--n.
1. a throbbing.
2 a palpitation or (esp. violent) pulsation.
Etymology: ME, app. imit.