Joseph Benson's Commentary of the Old and New Testaments - Luke 1:7
Luke 1:7. And they had no child The providence of God so ordering it, that the birth of John the Baptist might be the more remarkable, and might excite the greater attention; because that Elisabeth was barren Even when in the flower of her age. And they both were now well stricken in years Here, then, was a double obstacle in the way of their having children, both the natural barrenness of Elisabeth, and the old age of them both; and, consequently, a double proof of the supernatural... read more
Albert Barnes' Notes on the Whole Bible - Luke 1:7
Well stricken in years - Old or advanced in life, so as to render the prospect of having children hopeless. read more