n a psychological state induced by (or as if induced by) a magical incantation
n a time for working (after which you will be relieved by someone else)
n a period of indeterminate length (usually short) marked by some action or condition
n a verbal formula believed to have magical force
v orally recite the letters of or give the spelling of
v indicate or signify
v write or name the letters that comprise the conventionally accepted form of (a word or part of a word)
v relieve (someone) from work by taking a turn
v place under a spell
v take turns working