The wavelike contractions of the smooth muscle in the  gastrointestinal system are called peristalsis. The purpose of  peristalsis is to push boluses of food along the gastr â¦ ointestinal  tract.
quibble (third-person singular simple present quibbles, present participle quibbling, simple past and past participle quibbled) (intransitive) To complain or argue in a trivial or petty manner. They are constantly quibbling over insignificant details.
A handful of pebbles. The definition of a pebble is a small, smooth stone. An example of a pebble is a tiny rock that can skip across a lake. Pebble is defined as to cover with or give the appearance of tiny smooth rocks. An example of pebble is to stamp the surface of a fabric or leather for texture. pebble