The Collaborative International Dictionary of English v.0.48:

Calypso \Ca*lyp"so\ (k[.a]*l[i^]p"s[-o]), n. [The Latinized
   Greek name of a beautiful nymph.] (Bot.)
   A small and beautiful species of orchid, having a flower
   variegated with purple, pink, and yellow. It grows in cold
   and wet localities in the northern part of the United States.
   The Calypso borealis is the only orchid which reaches
   68[deg] N.
   [1913 Webster]

WordNet (r) 3.0 (2006):

calypso
    n 1: rare north temperate bog orchid bearing a solitary white to
         pink flower marked with purple at the tip of an erect
         reddish stalk above 1 basal leaf [syn: calypso, fairy-
         slipper, Calypso bulbosa]
    2: (Greek mythology) the sea nymph who detained Odysseus for
       seven years

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "calypso":
   Brautlied, Christmas carol, Kunstlied, Liebeslied, Volkslied, alba,
   anthem, art song, aubade, ballad, ballade, ballata, barcarole,
   blues, blues song, boat song, bridal hymn, brindisi, canso,
   canticle, canzone, canzonet, canzonetta, carol, cavatina, chanson,
   chant, chantey, croon, croon song, dirge, ditty, drinking song,
   epithalamium, folk song, hymeneal, lay, lied, lilt, love song,
   love-lilt, matin, minstrel song, minstrelsy, national anthem,
   prothalamium, serena, serenade, serenata, song, theme song,
   torch song, war song, wedding song



U.S. Gazetteer Places (2000):

Calypso, NC -- U.S. town in North Carolina
   Population (2000):    410
   Housing Units (2000): 204
   Land area (2000):     0.969973 sq. miles (2.512219 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.969973 sq. miles (2.512219 sq. km)
   FIPS code:            09760
   Located within:       North Carolina (NC), FIPS 37
   Location:             35.154753 N, 78.104720 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Calypso, NC
    Calypso