spell (http://definr.com/spell)

     n 1: a psychological state induced by (or as if induced by) a
          magical incantation [syn: enchantment, trance]
     2: a time for working (after which you will be relieved by
        someone else); "it's my go"; "a spell of work" [syn: go,
         tour, turn]
     3: a period of indeterminate length (usually short) marked by
        some action or condition; "he was here for a little
        while"; "I need to rest for a piece"; "a spell of good
        weather" [syn: while, piece]
     4: a verbal formula believed to have magical force; "he
        whispered a spell as he moved his hands"; "inscribed
        around its base is a charm in Balinese" [syn: magic spell,
     v 1: recite the letters of or give the spelling of; "How do you
          spell this word?"
     2: indicate or signify; "I'm afraid this spells trouble!" [syn:
     3:  write or name the letters that comprise the conventionally
        accepted form of (a word or part of a word); "He spelled
        the word wrong in this letter" [syn: write]
     4: place under a spell [ant: unspell]