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

westerly \west"erly\, a.
   of or pertaining to the west; toward the west; coming from
   the west; western.
   1913 webster

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

westerly \west"erly\, adv.
   toward the west; westward.
   1913 webster

[3] : WordNet (r) 2.0

westerly
     adj 1: lying in or toward the west syn: western
     2: of wind; from the west syn: western
     3: moving toward the west; "westbound pioneers" syn: westbound,
         westward
     n : the west-to-east winds that occur in the temperate zones of
         the earth syn: prevailing westerly
     adv 1: toward the west; "we began to steer away westerly"- daniel
            defoe
     2: from the west; "the wind blew westerly" ant: easterly
see also:
western westbound westward prevailing westerly easterly 

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

61 moby thesaurus words for "westerly":
   euroclydon, tehuantepec wind, tehuantepecer, antarctic, arctic,
   austral, bise, boreal, east, east wind, eastbound, easter,
   easterly, eastermost, eastern, easternmost, gregale, hyperborean,
   levanter, meridional, mistral, north, north wind, northbound,
   northeast, northeaster, northeasterly, northeastern, norther,
   northerly, northern, northernmost, northwest, northwester,
   northwesterly, northwestern, occidental, oriental, south,
   south wind, southbound, southeast, southeaster, southeasterly,
   southeastern, souther, southerly, southerly buster, southern,
   southernmost, southwest, southwester, southwesterly, southwestern,
   tramontane, west, west wind, westbound, wester, western,
   westernmost

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

westerly, ri cdp, fips 76820
  location: 41.37055 n, 71.81034 w
  population 1990: 16477 7019 housing units
  area: 37.6 sq km land, 1.3 sq km water
  zip codes: 02891

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

westerly, ri -- u.s. census designated place in rhode island
   population 2000:    17682
   housing units 2000: 7812
   land area 2000:     15.973258 sq. miles 41.370546 sq. km
   water area 2000:    0.517786 sq. miles 1.341059 sq. km
   total area 2000:    16.491044 sq. miles 42.711605 sq. km
   fips code:            76820
   located within:       rhode island ri, fips 44
   location:             41.374807 n, 71.818730 w
   zip codes 1990:     02891
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    westerly, ri
    westerly

Westerly >> W Words
Westerly, definition of term: Westerly
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