cantraip

Noun

cantrip (plural cantrips)

1. A spell or incantation; a trifling magic trick.
   • Coffins stood round, like open presses,
     That shaw’d the dead in their last dresses;
     And by some devilish cantrip slight
     Each in its cauld hand held a light […]1791, Robert Burns, "Tam o' Shanter", lines 125-8, http://www.bartleby.com/337/825.html#txt28

   Synonyms:

   enchantment, hex, spell, chantment, charm, conjuration, craft, dwimmer, incantation, magic

2. A wilful piece of trickery or mischief.
3. (roleplaying games) A minor spell, typically one that can be cast without preparation.