luteal phase: Meaning and Definition of

lu'teal phase"

Pronunciation: [key]
— Physiol. Physiol.
  1. a stage of the menstrual cycle, lasting about two weeks, from ovulation to the beginning of the next menstrual flow. Cf. follicular phase.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.