n. plural Beating of the chest in horses due to spasmodic contractions of the diaphragm. It is similar to hiccough in man.n. 3. In machinery, the dull sound caused by lost motion at some joint where the stress is alternately in one direction and another, and the hole is slightly larger than the pin from wear or mal-adjustment.To beat heavily, or with something thick and heavy.To produce by a heavy blow or beating.To beat; give a thump or blow.n. A heavy blow, or the sound made by such a blow; a blow with a club, the fist, or anything that gives a thick, heavy sound; a bang: as, to give one a thump.