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

parkway \park"way`\ n.
   a wide scenic road planted with trees.

   syn: drive.
        wordnet 1.5

[2] : WordNet (r) 2.0

parkway
     n : a wide scenic road planted with trees; "the riverside drive
         offers many exciting scenic views" syn: drive
see also:
drive 

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

74 moby thesaurus words for "parkway":
   autobahn, us highway, alley, alleyway, arterial, arterial highway,
   arterial street, artery, autoroute, autostrada, avenue,
   belt highway, blind alley, boulevard, bypass, byway, camino real,
   carriageway, causeway, causey, chaussee, circumferential, close,
   corduroy road, county road, court, crescent, cul-de-sac,
   dead-end street, dike, dirt road, drive, driveway, expressway,
   freeway, gravel road, highroad, highway, highways and byways,
   interstate highway, lane, local road, main drag, main road, mews,
   motorway, pave, paved road, pike, place, plank road,
   primary highway, private road, right-of-way, ring road, road,
   roadbed, roadway, route nationale, row, royal road, secondary road,
   speedway, state highway, street, superhighway, terrace,
   thoroughfare, through street, thruway, toll road, township road,
   turnpike, wynd

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

parkway, mo village, fips 56306
  location: 38.33854 n, 90.97374 w
  population 1990: 277 110 housing units
  area: 0.7 sq km land, 0.0 sq km water

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

parkway, mo -- u.s. village in missouri
   population 2000:    280
   housing units 2000: 127
   land area 2000:     0.308103 sq. miles 0.797984 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    0.308103 sq. miles 0.797984 sq. km
   fips code:            56306
   located within:       missouri mo, fips 29
   location:             38.338832 n, 90.968668 w
   zip codes 1990:    
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    parkway, mo
    parkway

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

parkway-south sacramento, ca -- u.s. census designated place in california
   population 2000:    36468
   housing units 2000: 11779
   land area 2000:     4.840410 sq. miles 12.536603 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    4.840410 sq. miles 12.536603 sq. km
   fips code:            55837
   located within:       california ca, fips 06
   location:             38.511657 n, 121.452288 w
   zip codes 1990:    
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    parkway-south sacramento, ca
    parkway-south sacramento
    parkway, ca
    parkway

Parkway >> P Words
Parkway, definition of term: Parkway
parkway_pag1.html