or ga·lac·tor·rhoe·a

noun Pathology.
  1. an abnormally abundant flow of milk in a lactating woman.
  2. secretion of milk from the breast of a nonlactating person.

Origin of galactorrhea

First recorded in 1850–55; galacto- + -rrhea Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

galactorrhea in Medicine


  1. A continued discharge of milk from the breasts between intervals of nursing or after weaning.lactorrhea
  2. Excessive flow of milk during lactation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.