The Collaborative International Dictionary of English v.0.48:

Arbutus \Ar"bu*tus\, Arbute \Ar"bute\, n. [L. arbutus, akin to
   arbor tree.]
   The strawberry tree, a genus of evergreen shrubs, of the
   Heath family. It has a berry externally resembling the
   strawberry; the arbute tree.
   [1913 Webster]

   Trailing arbutus (Bot.), a creeping or trailing plant of
      the Heath family (Epig[ae]a repens), having white or
      usually rose-colored flowers with a delicate fragrance,
      growing in small axillary clusters, and appearing early in
      the spring; in New England known as mayflower; -- called
      also ground laurel. --Gray.
      [1913 Webster]

WordNet (r) 3.0 (2006):

arbutus
    n 1: any of several evergreen shrubs of the genus Arbutus of
         temperate Europe and America

U.S. Gazetteer Places (2000):

Arbutus, MD -- U.S. Census Designated Place in Maryland
   Population (2000):    20116
   Housing Units (2000): 8380
   Land area (2000):     6.502061 sq. miles (16.840261 sq. km)
   Water area (2000):    0.001829 sq. miles (0.004737 sq. km)
   Total area (2000):    6.503890 sq. miles (16.844998 sq. km)
   FIPS code:            01975
   Located within:       Maryland (MD), FIPS 24
   Location:             39.244406 N, 76.693928 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Arbutus, MD
    Arbutus