What is to save or gain, as by frugality; to reserve, as from some occupation, use, or duty. All the time he could spare from the necessary cares of his weighty charge, he Knolles called?

spare — To save or gain, as by frugality; to reserve, as from some occupation, use, or duty. All the time he could spare from the necessary cares of his weighty charge, he Knolles. (Webster's 1913.)