rotary chewing

ro·tar·y chew·ing

(rō'tăr-ē chū'ing)
A mastication pattern seen in children by 15 months of age. It includes lateral and circular jaw movements while the tongue simultaneously moves food from side to side and across midline to the teeth surfaces for grinding and mashing of firmer foods.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012