What is "to be with child"

Child \Child\ (ch[imac]ld), n.; pl. Children (ch[i^]l"dr[e^]n). [AS. cild, pl. cildru; cf. Goth. kil[thorn]ei womb, in-kil[thorn][=o] with child.]

1. A son or a daughter; a male or female descendant, in the first degree; the immediate progeny of human parents; -- in law, legitimate offspring. Used also of animals and plants.

2. A descendant, however remote; -- used esp. in the plural; as, the children of Israel; the children of Edom.

3. One who, by character of practice, shows signs of relationship to, or of the influence of, another; one closely connected with a place, occupation, character, etc.; as, a child of God; a child of the devil; a child of disobedience; a child of toil; a child of the people.

4. A noble youth. See Childe. [Obs.]
   --Chaucer.

5. A young person of either sex. esp. one between infancy and youth; hence, one who exhibits the characteristics of a very young person, as innocence, obedience, trustfulness, limited understanding, etc.

   When I was child. I spake as a child, I understood as a child, I thought as a child; but when I became a man, I put away childish things.
   --1. Cor. xii. 11.

6. A female infant. [Obs.]

   A boy or a child, I wonder?
   --Shak.

   To be with child, to be pregnant.

   Child's play, light work; a trifling contest.