'Infant' in the Bible

Have I conceived all this people? Have I brought them forth, that you should tell me, 'Carry them in your bosom, as a nurse carries a nursing infant, to the land which you swore to their fathers?'

Outside the sword shall bereave, and in the rooms, terror; on both young man and virgin, The nursing infant with the gray-haired man.

Now go and strike Amalek, and utterly destroy all that they have, and don't spare them; but kill both man and woman, infant and nursing baby, ox and sheep, camel and donkey.'"

"There shall be no more there an infant of days, nor an old man who has not filled his days; for the child shall die one hundred years old, and the sinner being one hundred years old shall be accursed.

Therefore now thus says Yahweh, the God of Armies, the God of Israel: Why do you commit great evil against your own souls, to cut off from yourselves man and woman, infant and nursing child out of the midst of Judah, to leave yourselves none remaining;