These rules shall be construed to secure the just, speedy and inexpensive determination of every case. Words or phrases importing the singular number may extend and be applied to several persons or things, words importing the plural number may include the singular, and words importing the masculine gender may include the feminine and neuter. As used in these rules the following terms shall be deemed to have the following meanings:

"Superior Court" shall mean the Superior Court Department of the Trial Court, or a session thereof for holding court.

"Housing Court" shall mean a division of the Housing Court Department of the Trial Court, or a session thereof for holding court.

"Probate Court" shall mean a division of the Probate and Family Court Department of the Trial Court, or a session thereof for holding court.

"Land Court" shall mean the Land Court Department of the Trial Court, or a session thereof for holding court.

"District Court" or "Municipal Court" shall mean a division of the District Court Department of the Trial Court, or a session thereof for holding court. Except when the context means something to the contrary, said words shall include the Boston Municipal Court Department.

"Municipal Court of the City of Boston" shall mean the Boston Municipal Court Department of the Trial Court, or a session thereof for holding court.

"Juvenile Court" shall mean the Boston Division, the Worcester Division, the Springfield Division, and the County of Bristol Division of the Juvenile Court Department of the Trial Court, or a session thereof for holding court.

"Chief Justice" of a Trial Court Department shall mean the "Administrative Justice" of that Department.

To the extent of any conflict between the Massachusetts Rules of Civil Procedure , the Massachusetts Rules of Criminal Procedure , the Massachusetts Rules of Appellate Procedure and the rules of the Supreme Judicial Court , the Appeals Court , and the various Departments of the Trial Court, the Massachusetts Rules of Civil, Criminal and Appellate Procedure shall control.