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.
pebble. 1  a small stone worn smooth and round, as by the action of water. Geol. such a stone, smaller than a cobblestone, with a maximum diameter of 64 mm (c. 2.5 in) 2  clear, transparent quartz or a lens made from it. 3  a surface grain of pebbly appearance, artificially produced on leather (pebble leather), paper, etc. Origin of pebble. Middle English pobble from Old English papol-(stan), popol-(stan), pebble (stone), probably of echoic origin, originally