The Collaborative International Dictionary of English v.0.48:

Glade \Glade\, n. [Prob. of Scand. origin, and akin to glad, a.;
   cf. also W. golead, goleuad, a lighting, illumination, fr.
   goleu light, clear, bright, goleu fwlch glade, lit., a light
   or clear defile.]
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   1. An open passage through a wood; a grassy open or cleared
      space in a forest.
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            There interspersed in lawns and opening glades.
                                                  --Pope.
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   2. An everglade. [Local, U. S.]
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   3. An opening in the ice of rivers or lakes, or a place left
      unfrozen; also, smooth ice. [Local, U. S.]
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   Bottom glade. See under Bottom.

   Glade net, in England, a net used for catching woodcock and
      other birds in forest glades.
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The Collaborative International Dictionary of English v.0.48:

Bottom \Bot"tom\, a.
   Of or pertaining to the bottom; fundamental; lowest; under;
   as, bottom rock; the bottom board of a wagon box; bottom
   prices.
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   Bottom glade, a low glade or open place; a valley; a dale.
      --Milton.
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   Bottom grass, grass growing on bottom lands.

   Bottom land. See 1st Bottom, n., 7.
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