a unit or standard of measurement: weights and measures. 2. a system of measurement: liquid measure. 3. an instrument, as a graduated rod or a container of standard capacity, for measuring. 4. the extent, dimensions, quantity, etc., of something, ascertained especially by comparison with a standard:
History & Grounds. William Henry Harrison, an American military officer and politician, was the ninth President of the United States (1841), the oldest President to be elected at the time.
James Buchanan was the only President who never married. http://www.whitehouse.gov/history/presidents/jb15.html. But a number were widowers while President. Jefferson, Jackson, Tyler, Arthur, briefly Wilson, off the top of my head. And Cleveland was a bachelor when inaugurated and was married while President. This answer has.