s/n370458

Information
has gloss	(noun) a rhythmic tightening in labor of the upper uterine musculature that contracts the size of the uterus and pushes the fetus toward the birth canal uterine contraction
lexicalization	eng: uterine contraction
subclass of	(noun) (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber) muscle contraction, contraction, muscular contraction

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part of	(noun) concluding state of pregnancy; from the onset of contractions to the birth of a child; "she was in labor for six hours" childbed, lying-in, labour, labor, confinement, travail, parturiency