The Collaborative International Dictionary of English v.0.48:

Bowler \Bowl"er\, n.
   One who plays at bowls, or who rolls the ball in cricket or
   any other game.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bowler \Bowl"er\, n. [From 2d Bowl.]
   A derby hat. [Eng.]
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

bowler
    n 1: a cricketer who delivers the ball to the batsman in cricket
    2: a player who rolls balls down an alley at pins
    3: a felt hat that is round and hard with a narrow brim [syn:
       bowler hat, bowler, derby hat, derby, plug hat]

U.S. Gazetteer Places (2000):

Bowler, WI -- U.S. village in Wisconsin
   Population (2000):    343
   Housing Units (2000): 135
   Land area (2000):     1.015690 sq. miles (2.630624 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.015690 sq. miles (2.630624 sq. km)
   FIPS code:            09025
   Located within:       Wisconsin (WI), FIPS 55
   Location:             44.862462 N, 88.980822 W
   ZIP Codes (1990):     54416
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Bowler, WI
    Bowler