Sentence:  And it came to pass in the time of her <WSD>travail</WSD>, that, behold, twins were in her womb. And it came to pass, when she travailed, that the one put out his hand: and the midwife took and bound upon his hand a scarlet thread, saying, This came out first, 
Meaning of the word marked with <WSD> tags:  Specifically, the labor of childbirth. (from 13th c.)