a title or heading filling a line or group of lines the full width of the column.
a sliding member of a reciprocating engine for keeping the motion of the joint between a piston rod and a connecting rod in a straight line.
a crosspiece on a rudderpost by which the rudder is turned.
a transverse timber for transmitting the lifting effort of two or more jackscrews supporting it to the foot of a shore that it supports. Cf. shore (def. 1).