Webster's Revised Unabridged Dictionary · 1913

Young

Young (yung) , adjective

[Old English yung, yong, yong, yung, Anglo-Saxon geong; akin to OFries. iung, iong, Dutch joing, Old Saxon, Old High German, & German jung, Icelandic ungr, Swedish & Danish ung, Gothic juggs, Lithuanian jaunas, Russ. iunuii, Latin juvencus, juvenis, Sanskrit juvaca, juvan. r281. Compare Junior, Juniper, Juvenile, Younker, Youth.]

1.
Not long born; still in the first part of life; not yet arrived at adolescence, maturity, or age; not old; juvenile; -- said of animals; as, a young child; a young man; a young fawn.
For he so young and tender was of age. — Chaucer
“Whom the gods love, die young,” has been too long carelessly said;... whom the gods love, live young forever. — Mrs. H. H. Jackson
2.
Being in the first part, pr period, of growth; as, a young plant; a young tree.
While the fears of the people were young. — De Foe
3.
Having little experience; inexperienced; unpracticed; ignorant; weak.
Come, come, elder brother, you are too young in this. — Shakespeare

Young , noun

The offspring of animals, either a single animal or offspring collectively.
[The egg] bursting with kindly rupture, forth disclosed Their callow young. — Milton
Collocations (1)
With young , with child; pregnant.