Definify.com
Webster 1913 Edition
Infancy
1.
The state or period of being an infant; the first part of life; early childhood.
The babe yet lies in smiling
infancy
. Milton.
Their love in early
infancy
began. Dryden.
2.
The first age of anything; the beginning or early period of existence;
as, the
. infancy
of an artThe
infancy
and the grandeur of Rome. Arbuthnot.
3.
(Law)
The state or condition of one under age, or under the age of twenty-one years; nonage; minority.
Webster 1828 Edition
Infancy
IN'FANCY
,Noun.
1.
The first part of life, beginning at the birth. In common usage, infancy extends not beyond the first year or two of life, but there is not a defined limit where infancy ends, and childhood begins.2.
In law, infancy extends to the age of twenty one years.3.
The first age of any thing; the beginning or early period of existence; as the infancy of the Roman republic; the infancy of a college or of a charitable society; the infancy of agriculture, of manufactures, or of commerce.