'Lanugo' definitions:
Definition of 'lanugo'
(from WordNet)
noun
The fine downy hair covering a human fetus; normally shed during the ninth month of gestation
Definition of 'Lanugo'
From: GCIDE
- Lanugo \La*nu"go\, n. [See Lanuginose.] (Anat.) The soft woolly hair which covers most parts of the mammal fetus, and in man is shed before or soon after birth. [1913 Webster]