Dictionary.com
definitions
  • synonyms

meconium

[mi-koh-nee-uh m]
See more synonyms for meconium on Thesaurus.com
noun
  1. the first fecal excretion of a newborn child, composed chiefly of bile, mucus, and epithelial cells.
  2. fecal mass released at pupation by the larvae of some insects.
  3. the milky sap of the unripe seed pods of the opium poppy; crude opium.
Show More

Origin of meconium

1595–1605; < Latin < Greek mēkṓnion, diminutive of mḗkōn poppy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for meconium

Historical Examples


British Dictionary definitions for meconium

meconium

noun
  1. the dark green mucoid material that forms the first faeces of a newborn infant
  2. opium or the juice from the opium poppy
Show More

Word Origin

C17: from New Latin, from Latin: poppy juice (used also of infant's excrement because of similarity in colour), from Greek mēkōneion, from mēkōn poppy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for meconium

n.

"fecal discharge from a newborn infant," 1706, from Latin meconium "excrement of a newborn child," literally "poppy juice," from Greek mekonion "poppy-juice, opium," diminutive of mekon "poppy" (perhaps cognate with Old Church Slavonic maku, German Mohn "poppy"). So called by classical physicians for its resemblance. Related: Meconial.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

meconium in Medicine

meconium

(mĭ-kōnē-əm)
n.
  1. A dark green fecal material that accumulates in the fetal intestines and is discharged at or near the time of birth.
  2. opium