suckling reflex

English Thesaurus

1. reflex behavior in newborn mammals; includes finding and grasping the nipple in the mouth and sucking on it and swallowing the milk (noun.act)

hypernym	:	inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex,
definition	:	an automatic instinctive unlearned reaction to a stimulus (noun.act)