The Collaborative International Dictionary of English v.0.48:

Hoover \Hoover\ n. [a trademark.]
   a kind of vacuum cleaner.
   [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

hoover \hoover\ v. t.
   to clean with a vacuum cleaner. [slang]

   Syn: vacuum, vacuum-clean.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Hoover
    n 1: United States industrialist who manufactured vacuum
         cleaners (1849-1932) [syn: Hoover, William Hoover,
         William Henry Hoover]
    2: United States lawyer who was director of the FBI for 48 years
       (1895-1972) [syn: Hoover, J. Edgar Hoover, John Edgar
       Hoover]
    3: 31st President of the United States; in 1929 the stock market
       crashed and the economy collapsed and Hoover was defeated for
       reelection by Franklin Roosevelt (1874-1964) [syn: Hoover,
       Herbert Hoover, Herbert Clark Hoover, President Hoover]
    4: a kind of vacuum cleaner
    v 1: clean with a vacuum cleaner; "vacuum the carpets" [syn:
         vacuum, vacuum-clean, hoover]

U.S. Gazetteer Places (2000):

Hoover, AL -- U.S. city in Alabama
   Population (2000):    62742
   Housing Units (2000): 27150
   Land area (2000):     43.134570 sq. miles (111.718018 sq. km)
   Water area (2000):    0.513158 sq. miles (1.329073 sq. km)
   Total area (2000):    43.647728 sq. miles (113.047091 sq. km)
   FIPS code:            35896
   Located within:       Alabama (AL), FIPS 01
   Location:             33.386435 N, 86.804938 W
   ZIP Codes (1990):     35244
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hoover, AL
    Hoover