1. to nest or build a nest; to become embedded or implanted (especially of a fertilized egg in the uterus)
Usage: biology/medical; third person singular present tense of 'nidate'

Examples

• The fertilized egg nidates in the uterine wall within days of conception.
• After ovulation, the embryo nidates and begins to develop.
• The blastocyst nidates successfully, establishing pregnancy.
• In mammals, the embryo nidates to receive nutrients from the mother.