Infancy

1. n. The state or condition of one under age, or under the age of twenty-one years; nonage; minority.
2. n. The state or period of being an infant; the first part of life; early childhood.
3. n. The first age of anything; the beginning or early period of existence; as, the infancy of an art.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.