What is "burr ridge"

Population (2000): 10408
Housing Units (2000): 3679
Land area (2000): 6.424439 sq. miles (16.639219 sq. km)
Water area (2000): 0.111931 sq. miles (0.289899 sq. km)
Total area (2000): 6.536370 sq. miles (16.929118 sq. km)
FIPS code: 09980
Located within: Illinois (IL), FIPS 17
Location: 41.753030 N, 87.919998 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: