■ noun a dull, heavy sound, such as that made by a large object falling to the ground.
■ verb ( ~s , ~ding , ~ded ) move, fall, or strike something with a ~.
Derivatives
~ding noun
~dingly adverb
Origin
ME (orig. in the sense 'a sudden gust of wind', later 'a thunderclap'): prob. from OE thyddan 'to thrust, push'.