Chās'sis, n.
n. [Fr.] (Mil.) A traversing frame, or movable railway, along which the carriage of a heavy gun in barbette, or casemate, moves backward and forward in action. [See Illust. of Gun-carriage.]
n. [Fr.] (Mil.) A traversing frame, or movable railway, along which the carriage of a heavy gun in barbette, or casemate, moves backward and forward in action. [See Illust. of Gun-carriage.]