The childhood of our joy.
Shak.
Second childhood, the state of being feeble and incapable from old age.
Child"ing (?), a. [See Child, v. i.] Bearing Children; (Fig.) productive; fruitful. [R.] Shak.
Child"ish, a. 1. Of, pertaining to, befitting, or resembling, a child. "Childish innocence." Macaulay.