Wordnet 3.0
NOUN (1)
1.
a baby conceived by fertilization that occurs outside the mother's body;
the woman's ova are removed and mixed with sperm in a culture medium - if fertilization occurs the blastocyte is implanted in the woman's uterus;
WordNet (r) 3.0 (2006):
test-tube baby
n 1: a baby conceived by fertilization that occurs outside the
mother's body; the woman's ova are removed and mixed with
sperm in a culture medium - if fertilization occurs the
blastocyte is implanted in the woman's uterus