The meaning of “παιδίον”

“And they that had eaten were about five thousand men, beside women and children.”

“And he took a child, and set him in the midst of them: and when he had taken him in his arms, he said unto them,”

“And the child grew, and waxed strong in spirit, filled with wisdom: and the grace of God was upon him.”

“A woman when she is in travail hath sorrow, because her hour is come: but as soon as she is delivered of the child, she remembereth no more the anguish, for joy that a man is born into the world.”

“Brethren, be not children in understanding: howbeit in malice be ye children, but in understanding be men.”