[1] : The Collaborative International Dictionary of English v.0.48

harbor \har"bor\ haumr"b~er, n. written also harbour.
   oe. herbor, herberwe, herberge, icel. herbergi cf. ohg.
   heriberga, orig., a shelter for soldiers; herr army + bjarga
   to save, help, defend; akin to as. here army, g. heer, ohg.
   heri, goth. harjis, and as. beorgan to save, shelter, defend,
   g. bergen. see harry, 2d bury, and cf. harbinger.
   1. a station for rest and entertainment; a place of security
      and comfort; a refuge; a shelter.
      1913 webster

            a grove fair harbour that them seems. --spenser.
      1913 webster

            for harbor at a thousand doors they knocked.
                                                  --dryden.
      1913 webster

   2. specif.: a lodging place; an inn. obs. --chaucer.
      1913 webster

   3. astrol. the mansion of a heavenly body. obs.
      1913 webster

   4. a portion of a sea, a lake, or other large body of water,
      either landlocked or artificially protected so as to be a
      place of safety for vessels in stormy weather; a port or
      haven.
      1913 webster

   5. glass works a mixing box for materials.
      1913 webster

   harbor dues naut., fees paid for the use of a harbor.

   harbor seal zool., the common seal.

   harbor watch, a watch set when a vessel is in port; an
      anchor watch.
      1913 webster
see also:
harbour harry 2d bury harbinger harbor dues harbor seal 
harbor watch 

[2] : The Collaborative International Dictionary of English v.0.48

harbor \har"bor\, v. i.
   to lodge, or abide for a time; to take shelter, as in a
   harbor.
   1913 webster

         for this night let's harbor here in york. --shak.
   1913 webster

[3] : The Collaborative International Dictionary of English v.0.48

harbor \har"bor\ haumr"b~er, v. t. written also
   harbour. imp.  p. p. harbored -b~erd; p. pr.  vb.
   n. harboring. oe. herberen, herberwen, herbergen; cf.
   icel. herbergja. see harbor, n.
   to afford lodging to; to entertain as a guest; to shelter; to
   receive; to give a refuge to; to indulge or cherish a
   thought or feeling, esp. an ill thought; as, to harbor a
   grudge.
   1913 webster

         any place that harbors men.              --shak.
   1913 webster

         the bare suspicion made it treason to harbor the person
         suspected.                               --bp. burnet.
   1913 webster

         let not your gentle breast harbor one thought of
         outrage.                                 --rowe.
   1913 webster
see also:
harbour harbored harboring harbor 

[4] : WordNet (r) 2.0

harbor
     n 1: a sheltered port where ships can take on or discharge cargo
          syn: seaport, haven, harbour
     2: a place of refuge and comfort and security syn: harbour
     v 1: maintain a theory, thoughts, or feelings; "bear a grudge";
          "entertain interesting notions"; "harbor a resentment"
          syn: harbour, hold, entertain, nurse
     2: secretly shelter as of fugitives or criminals syn: harbour
     3: keep in one's possession; of animals syn: harbour
     4: hold back a thought or feeling about; "she is harboring a
        grudge against him" syn: harbour, shield
see also:
seaport haven harbour hold entertain nurse 
shield 

[5] : Moby Thesaurus II by Grady Ward, 1.0

164 moby thesaurus words for "harbor":
   accommodate, anchorage, anchorage ground, arm, armlet, armor,
   asylum, basin, bay, bayou, bear, bed, belt, berth, bestow, bight,
   billet, board, boca, bosom, bourn, breakwater, bulkhead, bunk,
   cabin, camp, chamber, champion, cherish, chuck, cling to, clip,
   cloak, compass about, conceal, copyright, cove, cover, covert,
   creek, cushion, defend, destination, dock, dockage, dockyard,
   domicile, domiciliate, dry dock, embankment, embosom, embrace,
   encamp, ensure, entertain, estuary, euripus, fence, fend, fjord,
   fondle, forest preserve, foster, frith, game preserve,
   game sanctuary, goal, groin, guarantee, guard, gulf, gut,
   harbor of refuge, harborage, have, have and hold, haven, hide,
   hold, hold on to, house, hug, hut, inlet, insure, jetty, jutty,
   keep, keep from harm, keep safe, kyle, landing, landing place,
   landing stage, last stop, loch, lodge, lough, maintain, make safe,
   marina, mole, mooring, moorings, mouth, narrow, narrow seas,
   narrows, natural harbor, nestle, nurse, nurture, patent, pier,
   police, port, preserve, protect, protected anchorage, put up,
   quarter, quay, reach, refuge, register, retain, retreat,
   ride shotgun for, riding, road, roads, roadstead, roof, room,
   roost, safe haven, safeguard, safehold, sanctuary, screen, seaport,
   seawall, secrete, secure, shelter, shield, shipyard, shroud, slip,
   snug harbor, sound, stable, stop, stopping place, strait, straits,
   stronghold, terminal, terminal point, terminus, treasure,
   treasure up, underwrite, wharf

[6] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

harbor. a place where ships may ride with safety; any navigable water 
protected by the surrounding country; a haven. q.v. it is public 
property. 1. bouv. inst. n. 435. 

[7] : THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993)

harbor, n.  a place where ships taking shelter from stores are exposed
to the fury of the customs.

[8] : U.S. Gazetteer (1990)

harbor, or cdp, fips 32100
  location: 42.03914 n, 124.25467 w
  population 1990: 2143 1292 housing units
  area: 3.7 sq km land, 1.1 sq km water
  zip codes: 97415

[9] : U.S. Gazetteer Places (2000)

harbor, or -- u.s. census designated place in oregon
   population 2000:    2622
   housing units 2000: 1691
   land area 2000:     1.873427 sq. miles 4.852154 sq. km
   water area 2000:    0.439748 sq. miles 1.138943 sq. km
   total area 2000:    2.313175 sq. miles 5.991097 sq. km
   fips code:            32100
   located within:       oregon or, fips 41
   location:             42.040812 n, 124.253639 w
   zip codes 1990:     97415
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    harbor, or
    harbor

Harbor >> H Words
Harbor, definition of term: Harbor
harbor_pag1.html

Harbor Seal >> H Words
Harbor Seal, definition of term: Harbor Seal
harbor+seal_pag1.html

Pearl Harbor >> P Words
Pearl Harbor, definition of term: Pearl Harbor
pearl+harbor_pag1.html

Palm Harbor >> P Words
Palm Harbor, definition of term: Palm Harbor
palm+harbor_pag1.html