The Collaborative International Dictionary of English v.0.48:

Seaboard \Sea"board`\, adv.
   Toward the sea. [R.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seaboard \Sea"board`\, n. [Sea + board, F. bord side.]
   The seashore; seacoast. --Ld. Berners.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seaboard \Sea"board`\, a.
   Bordering upon, or being near, the sea; seaside; seacoast;
   as, a seaboard town.
   [1913 Webster]

WordNet (r) 3.0 (2006):

seaboard
    n 1: the shore of a sea or ocean regarded as a resort [syn:
         seaside, seaboard]

U.S. Gazetteer Places (2000):

Seaboard, NC -- U.S. town in North Carolina
   Population (2000):    695
   Housing Units (2000): 338
   Land area (2000):     1.027158 sq. miles (2.660327 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.027158 sq. miles (2.660327 sq. km)
   FIPS code:            59980
   Located within:       North Carolina (NC), FIPS 37
   Location:             36.489488 N, 77.439255 W
   ZIP Codes (1990):     27876
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Seaboard, NC
    Seaboard