Merriam-Webster Collegiate Dictionary - theft

 noun  Etymology: Middle English thiefthe, from Old English thiefth; akin to Old English theof thief  Date: before 12th century  1.  a. the act of stealing; specifically the felonious taking and removing of personal property with intent to deprive the rightful owner of it  b. an unlawful taking (as by embezzlement or burglary) of property  2. obsolete something stolen  3. a stolen base in baseball