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

willow \wil"low\, n. oe. wilowe, wilwe, as. wilig, welig; akin
   to od. wilge, d. wilg, lg. wilge. cf. willy.
   1913 webster
   1. bot. any tree or shrub of the genus salix, including
      many species, most of which are characterized often used
      as an emblem of sorrow, desolation, or desertion. "a
      wreath of willow to show my forsaken plight." --sir w.
      scott. hence, a lover forsaken by, or having lost, the
      person beloved, is said to wear the willow.
      1913 webster

            and i must wear the willow garland
            for him that's dead or false to me.   --campbell.
      1913 webster

   2. textile manuf. a machine in which cotton or wool is
      opened and cleansed by the action of long spikes
      projecting from a drum which revolves within a box studded
      with similar spikes; -- probably so called from having
      been originally a cylindrical cage made of willow rods,
      though some derive the term from winnow, as denoting the
      winnowing, or cleansing, action of the machine. called
      also willy, twilly, twilly devil, and devil.
      1913 webster

   almond willow, pussy willow, weeping willow. bot. see
      under almond, pussy, and weeping.

   willow biter zool. the blue tit. prov. eng.

   willow fly zool., a greenish european stone fly
      chloroperla viridis; -- called also yellow sally.

   willow gall zool., a conical, scaly gall produced on
      willows by the larva of a small dipterous fly cecidomyia
      strobiloides.

   willow grouse zool., the white ptarmigan. see
      ptarmigan.

   willow lark zool., the sedge warbler. prov. eng.

   willow ptarmigan zool.
      a the european reed bunting, or black-headed bunting.
          see under reed.
      b a sparrow passer salicicolus native of asia,
          africa, and southern europe.

   willow tea, the prepared leaves of a species of willow
      largely grown in the neighborhood of shanghai, extensively
      used by the poorer classes of chinese as a substitute for
      tea. --mcelrath.

   willow thrush zool., a variety of the veery, or wilson's
      thrush. see veery.

   willow warbler zool., a very small european warbler
      phylloscopus trochilus; -- called also bee bird,
      haybird, golden wren, pettychaps, sweet william,
      tom thumb, and willow wren.
      1913 webster
see also:
willy salix willy twilly twilly devil devil 
almond willow pussy willow weeping willow almond pussy 
weeping willow biter willow fly chloroperla viridis yellow sally 
willow gall cecidomyia strobiloides willow grouse ptarmigan willow lark 
willow ptarmigan reed passer salicicolus willow tea willow thrush 
veery willow warbler phylloscopus trochilus bee bird haybird 
golden wren pettychaps sweet william tom thumb willow wren 

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

willow \wil"low\, v. t.
   to open and cleanse, as cotton, flax, or wool, by means of a
   willow. see willow, n., 2.
   1913 webster
see also:
willow 

[3] : WordNet (r) 2.0

willow
     n 1: any of numerous deciduous trees and shrubs of the genus
          salix syn: willow tree
     2: a textile machine having a system of revolving spikes for
        opening and cleaning raw textile fibers
see also:
willow tree 

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

willow, ak cdp, fips 85280
  location: 61.74079 n, 150.05632 w
  population 1990: 285 244 housing units
  area: 35.2 sq km land, 2.4 sq km water
  zip codes: 99688
willow, ny
  zip codes: 12495
willow, ok town, fips 81300
  location: 35.05247 n, 99.50916 w
  population 1990: 142 94 housing units
  area: 0.7 sq km land, 0.0 sq km water
  zip codes: 73673

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

willow, ak -- u.s. census designated place in alaska
   population 2000:    1658
   housing units 2000: 1530
   land area 2000:     684.817388 sq. miles 1773.668818 sq. km
   water area 2000:    8.042330 sq. miles 20.829537 sq. km
   total area 2000:    692.859718 sq. miles 1794.498355 sq. km
   fips code:            85280
   located within:       alaska ak, fips 02
   location:             61.769345 n, 149.991065 w
   zip codes 1990:     99688
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    willow, ak
    willow

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

willow, ok -- u.s. town in oklahoma
   population 2000:    114
   housing units 2000: 66
   land area 2000:     0.264673 sq. miles 0.685499 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    0.264673 sq. miles 0.685499 sq. km
   fips code:            81300
   located within:       oklahoma ok, fips 40
   location:             35.052527 n, 99.509531 w
   zip codes 1990:     73673
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    willow, ok
    willow

Willow >> W Words
Willow, definition of term: Willow
willow_pag1.html

Willow Tree >> W Words
Willow Tree, definition of term: Willow Tree
willow+tree_pag1.html

Weeping Willow >> W Words
Weeping Willow, definition of term: Weeping Willow
weeping+willow_pag1.html

Pussy Willow >> P Words
Pussy Willow, definition of term: Pussy Willow
pussy+willow_pag1.html

Arctic Willow >> A Words
Arctic Willow, definition of term: Arctic Willow
arctic+willow_pag1.html