meconium

2 definitions found

meconium - Collaborative International Dictionary of English v.0.48 :

  Meconium \Me*co"ni*um\, n. [L., fr. Gr. ?, fr. ? poppy.] (Med.)
     (a) Opium. [Obs.]
     (b) The contents of the fetal intestine; hence, first
         excrement.
         [1913 Webster]

meconium - WordNet (r) 2.1 (2005) :

  meconium
      n 1: thick dark green mucoid material that is the first feces of
           a newborn child