One generation, for want of foresight, forms a narrow entrance, and another widens it by Act of Parliament.
"An History of Birmingham (1783)"
William Hutton
The valley widens out and narrows again in turn.
"Two Years in Oregon"
Wallis Nash
It widens as the pack separates, and narrows or widens with an easterly or westerly drift, according to the pressure of the central pack.
"My Attainment of the Pole"
Frederick A. Cook