spray drain

from The Collaborative International Dictionary of English v.0.48
Spray \Spray\ (spr[=a]), n. [Cf. Dan. sprag. See {Sprig}.]
   1. A small shoot or branch; a twig. --Chaucer.

   Syn: sprig.
        [1913 Webster]

              The painted birds, companions of the spring,
              Hopping from spray to spray, were heard to sing.
                                                  --Dryden.
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   2. A collective body of small branches, or cut flowers with
      long stems; as, the tree has a beautiful spray; many
      sprays were sent in condolence to teh funeral home.
      [1913 Webster +PJC]

            And from the trees did lop the needless spray.
                                                  --Spenser.
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   3. (Founding)
      (a) A side channel or branch of the runner of a flask,
          made to distribute the metal in all parts of the mold.
      (b) A group of castings made in the same mold and
          connected by sprues formed in the runner and its
          branches. --Knight.
          [1913 Webster]

   {Spray drain} (Agric.), a drain made by laying under earth
      the sprays or small branches of trees, which keep passages
      open.
      [1913 Webster]
    

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