'Trust company' definitions:

Definition of 'trust company'

(from WordNet)
noun
An organization (usually with a commercial bank) that is engaged as a trustee or fiduciary or agent in handling trust funds or estates of custodial arrangements or stock transfers or related services [syn: trust company, trust corporation]

Definition of 'Trust company'

From: GCIDE
  • Trust company \Trust company\ Any corporation formed for the purpose of acting as trustee. Such companies usually do more or less of a banking business. [Webster 1913 Suppl.]

Synonyms of 'trust company'

From: Moby Thesaurus