meconium

A dark green fecal material that accumulates in the fetal intestines and is discharged at or near the time of birth.

Poppy-juice.

The feces of a new-born infant.

In entomology, the feces of an adult insect just transformed from the pupa.

Opium.

The contents of the fetal intestine; hence, first excrement.

A dark green mass, the contents of the fetal intestines during the later stages of mammalian gestation, that forms the first faeces of the newborn

opium

thick dark green mucoid material that is the first feces of a newborn child