from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Excessive flow of milk from the breasts during lactation.
- n. Spontaneous milk flow not associated with childbirth or the nursing of an infant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Lactation (secretion of milk from nipples) unassociated with childbirth or nursing.
from The Century Dictionary and Cyclopedia
- n. In pathology, an excessive flow of milk.
From Ancient Greek γάλακτος (galaktos, "milk") + ῥέω (rheō, "flow"). (Wiktionary)