The Collaborative International Dictionary of English v.0.48:

Larceny \Lar"ce*ny\, n.; pl. Larcenies. [F. larcin, OE.
   larrecin, L. latrocinium, fr. latro robber, mercenary, hired
   servant; cf. Gr. (?) hired servant. Cf. Latrociny.] (Law)
   The unlawful taking and carrying away of things personal with
   intent to deprive the right owner of the same; theft. Cf.
   Embezzlement.
   [1913 Webster]

   Grand larceny & Petit larceny are distinctions having
      reference to the nature or value of the property stolen.
      They are abolished in England.

   Mixed larceny, or Compound larceny, that which, under
      statute, includes in it the aggravation of a taking from a
      building or the person.

   Simple larceny, that which is not accompanied with any
      aggravating circumstances.
      [1913 Webster]

WordNet (r) 3.0 (2006):

grand larceny
    n 1: larceny of property having a value greater than some amount
         (the amount varies by locale) [syn: grand larceny, grand
         theft] [ant: petit larceny, petty, petty larceny]