The Collaborative International Dictionary of English v.0.48:

Harefoot \Hare"foot`\ (-f[oo^]t`), n.
   1. (Zool.) A long, narrow foot, carried (that is, produced or
      extending) forward; -- said of dogs.
      [1913 Webster]

   2. (Bot.) A tree (Ochroma Lagopus) of the West Indies,
      having the stamens united somewhat in the form of a hare's
      foot.
      [1913 Webster]

   Harefoot clover (Bot.), a species of clover (Trifolium
      arvense) with soft and silky heads.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Corkwood \Cork"wood`\ (k[^o]rk"w[oo^]d`), n.
   1. The wood of the cork oak. [Obs.]
      [Webster 1913 Suppl.]

   2. Any one of several trees or shrubs having light or corky
      wood; esp.:
      (a) In the United States, the tree Leitneria floridana,
          a very small deciduous dioecious tree or shrub of damp
          habitats in the southeastern US having extremely light
          wood; -- called also the corkwood tree.
      (b) In the West Indies: (1) Either of the cotton trees
          Ochroma lagopus and Pariti tiliaceum. (2) The tree
          producing the aligator apple. (3) The blolly.
          [Webster 1913 Suppl. + WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Down \Down\, n. [Akin to LG. dune, dun, Icel. d?nn, Sw. dun,
   Dan. duun, G. daune, cf. D. dons; perh. akin to E. dust.]
   1. Fine, soft, hairy outgrowth from the skin or surface of
      animals or plants, not matted and fleecy like wool; esp.:
      (a) (Zool.) The soft under feathers of birds. They have
          short stems with soft rachis and bards and long
          threadlike barbules, without hooklets.
      (b) (Bot.) The pubescence of plants; the hairy crown or
          envelope of the seeds of certain plants, as of the
          thistle.
      (c) The soft hair of the face when beginning to appear.
          [1913 Webster]

                And the first down begins to shade his face.
                                                  --Dryden.
          [1913 Webster]

   2. That which is made of down, as a bed or pillow; that which
      affords ease and repose, like a bed of down
      [1913 Webster]

            When in the down I sink my head,
            Sleep, Death's twin brother, times my breath.
                                                  --Tennyson.
      [1913 Webster]

            Thou bosom softness, down of all my cares!
                                                  --Southern.
      [1913 Webster]

   Down tree (Bot.), a tree of Central America (Ochroma
      Lagopus), the seeds of which are enveloped in vegetable
      wool.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Ochroma lagopus
    n 1: forest tree of lowland Central America having a strong very
         light wood; used for making floats and rafts and in crafts
         [syn: balsa, Ochroma lagopus]