That which is produced; a child or children; a descendant or descendants, however remote from the stock.

In a rooted tree, the vertices adjacent to a given vertex at the next higher level are called the offspring of the given vertex. They are sometimes called sons. The descendents of a vertex are the vertices in the set of vertices which are offspring, or offspring of offspring, etc. of the given vertex..

A child; a daughter or son.

the immediate descendants of a person; "she was the mother of many offspring"; "he died without issue"

The offspring are strictly speaking the progeny, or young, born to a person. See the entire definition of Offspring

Descendent, child, progeny

Offspring is a fictional comic book superhero in the DC universe. He is the son of Plastic Man, and has the same stretching powers as his father.