premenstrual syndrome: Meaning and Definition of

premen'strual syn'drome

Pronunciation: [key]
— Pathol. Pathol.
  1. a complex of physical and emotional changes, including depression, irritability, appetite changes, bloating and water retention, breast soreness, and changes in muscular coordination, one or more of which may be experienced in the several days before the onset of menstrual flow. Abbr.: PMS Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.