The Collaborative International Dictionary of English v.0.48:

Trustee \Trus*tee"\, n. (Law)
   A person to whom property is legally committed in trust, to
   be applied either for the benefit of specified individuals,
   or for public uses; one who is intrusted with property for
   the benefit of another; also, a person in whose hands the
   effects of another are attached in a trustee process.
   [1913 Webster]

   Trustee process (Law), a process by which a creditor may
      attach his debtor's goods, effects, and credits, in the
      hands of a third person; -- called, in some States, the
      process of foreign attachment, garnishment, or
      factorizing process. [U. S.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Trustee \Trus*tee"\, v. t.
   1. To commit (property) to the care of a trustee; as, to
      trustee an estate.
      [1913 Webster]

   2. (Law) To attach (a debtor's wages, credits, or property in
      the hands of a third person) in the interest of the
      creditor. [U. S.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

trustee
    n 1: a person (or institution) to whom legal title to property
         is entrusted to use for another's benefit [syn: trustee,
         legal guardian]
    2: members of a governing board [syn: regent, trustee]