- a coat of delicate, downy hairs, especially that with which the human fetus or a newborn infant is covered.
Origin of lanugo
1670–80; < Latin lānūgō wooliness, down, derivative of lāna wool
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lanugo
- a layer of fine hairs, esp the covering of the human fetus before birth
C17: from Latin: down, from lāna wool
- The fine, soft hair that grows on a fetus and is present on a newborn.lanugo hair
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A covering of fine, soft hair or hairlike structures, as on a leaf, insect, or human fetus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.