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.
Origin of the name Harrison: Transferred use of the surname originating in the Middle Ages as a patronymic meaning son of Henry or son of Harry.. From A World of Baby Names by Teresa Norman.