The Collaborative International Dictionary of English v.0.48:

Single \Sin"gle\, v. t. [imp. & p. p. Singled; p. pr. & vb. n.
   Singling.]
   1. To select, as an individual person or thing, from among a
      number; to choose out from others; to separate.
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            Dogs who hereby can single out their master in the
            dark.                                 --Bacon.
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            His blood! she faintly screamed her mind
            Still singling one from all mankind.  --More.
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   2. To sequester; to withdraw; to retire. [Obs.]
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            An agent singling itself from consorts. --Hooker.
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   3. To take alone, or one by one.
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            Men . . . commendable when they are singled.
                                                  --Hooker.
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