In legal research, a citator is a citation index of legal resources, one of the best-known of which in the United States is Shepard`s Citations. Given a reference of a legal decision, a citator allows the researcher to find newer documents which cite the original document and thus to reconstruct the judicial history of cases and statutes. Using a....
• (n.) One who cites.
Ci·ta'tor noun One who cites. [ R]