Source : Webster's Revised Unabridged Dictionary (1913)

Selection \Se*lec"tion\, n. [L. selectio: cf. F. s['e]lection.]
   .
   The act of selecting, or the state of being selected; choice,
   by preference.

   2. That which is selected; a collection of things chosen; as,
      a choice selection of books.

   {Natural selection}. (Biol.) See under {Natural}.

Source : WordNet®

selection
     n 1: the act of choosing or selecting; "your choice of colors was
          unfortunate"; "you can take your pick" [syn: {choice}, {option},
           {pick}]
     2: an assortment of things from which a choice can be made;
        "the store carried a large selection of shoes"
     3: the person or thing chosen or selected; "he was my pick for
        mayor" [syn: {choice}, {pick}]
     4: a natural process resulting in the evolution of organisms
        best adapted to the environment [syn: {survival}, {survival
        of the fittest}, {natural selection}]
     5: a passage selected from a larger work; "he presented
        excerpts from William James' philosophical writings" [syn:
         {excerpt}, {extract}]