Definition of "little one"
A young child.
Quotations
I do but sing because I must,And pipe but as the linnets sing:And unto one her note is gay,For now her little ones have ranged;And unto one her note is changed,Because her brood is stol’n away.
1850, [Alfred, Lord Tennyson], In Memoriam, London: Edward Moxon, […], canto XXI, page 36