(redirected from Cross-head bearing)
Also found in: Thesaurus, Encyclopedia.


 (krôs′hĕd′, krŏs′-)
A beam that connects the piston rod to the connecting rod of a reciprocating engine.


1. (Printing, Lithography & Bookbinding) printing a subsection or paragraph heading printed within the body of the text
2. (Mechanical Engineering) a block or beam, usually restrained by sliding bearings in a reciprocating mechanism, esp the junction piece between the piston rod and connecting rod of an engine
3. (Nautical Terms) nautical a bar fixed across the top of the rudder post to which the tiller is attached
4. (Mechanical Engineering) a block, rod, or beam fixed at the head of any part of a mechanism


(ˈkrɔsˌhɛd, ˈkrɒs-)

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.crosshead - a heading of a subsection printed within the body of the text
header, heading, head - a line of text serving to indicate what the passage below it is about; "the heading seemed to have little to do with the text"
2.crosshead - metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth
block - a solid piece of something (usually having flat rectangular sides); "the pyramids were built with large stone blocks"
steam engine - external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder