The Collaborative International Dictionary of English v.0.48:

Roselle \Ro*selle"\, n. (Bot.)
   a malvaceous plant (Hibiscus Sabdariffa) cultivated in the
   east and West Indies for its fleshy calyxes, which are used
   for making tarts and jelly and an acid drink.
   [1913 Webster]

WordNet (r) 3.0 (2006):

roselle
    n 1: East Indian sparsely prickly annual herb or perennial
         subshrub widely cultivated for its fleshy calyxes used in
         tarts and jelly and for its bast fiber [syn: roselle,
         rozelle, sorrel, red sorrel, Jamaica sorrel,
         Hibiscus sabdariffa]

U.S. Gazetteer Places (2000):

Roselle, NJ -- U.S. borough in New Jersey
   Population (2000):    21274
   Housing Units (2000): 7870
   Land area (2000):     2.643113 sq. miles (6.845630 sq. km)
   Water area (2000):    0.010425 sq. miles (0.027000 sq. km)
   Total area (2000):    2.653538 sq. miles (6.872630 sq. km)
   FIPS code:            64620
   Located within:       New Jersey (NJ), FIPS 34
   Location:             40.653502 N, 74.260584 W
   ZIP Codes (1990):     07203
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Roselle, NJ
    Roselle


U.S. Gazetteer Places (2000):

Roselle, IL -- U.S. village in Illinois
   Population (2000):    23115
   Housing Units (2000): 8552
   Land area (2000):     5.374171 sq. miles (13.919038 sq. km)
   Water area (2000):    0.016806 sq. miles (0.043528 sq. km)
   Total area (2000):    5.390977 sq. miles (13.962566 sq. km)
   FIPS code:            65806
   Located within:       Illinois (IL), FIPS 17
   Location:             41.980569 N, 88.085438 W
   ZIP Codes (1990):     60172
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Roselle, IL
    Roselle