A slope, down which water runs with more than ordinary rapidity, but not enough to be called a "fall;" and sometimes navigable by boats.
·adj Quick in execution; as, a rapid penman. II. Rapid ·adj Very swift or quick; moving with celeri...
Webster's Dictionary of the English Language
·add. ·adj ·Alt. of Rapid-firing. ...
·add. ·adj Firing shots in rapid succession. II. Rapid-firing ·add. ·adj In Great Britain and Europ...
·add. ·- A mount permitting easy and quick elevation or depression and training of the gun, and fitt...