crosshead

[ kraws-hed, kros- ]

Phonetic (Standard)IPA

noun

Printing. a title or heading heading filling a line or group of lines the full width of the column.
Machinery. 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.
Nautical. a crosspiece on a rudderpost by which the rudder is turned.
Engineering, Building Trades. a transverse timber for transmitting the lifting effort of two or more jackscrews supporting it to the foot of a shore that it supports. Compare shore ²( def 1 ).

crosshead

/ ˈkrɒsˌhɛd /

printing a subsection or paragraph heading printed within the body of the text
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
nautical a bar fixed across the top of the rudder post to which the tiller is attached
a block, rod, or beam fixed at the head of any part of a mechanism

First recorded in 1835–45; cross- + head

The air and circulating pumps are bolted to the back of the condensers, and are worked by levers from the engine crosshead.

One of the alternatives is a guided crosshead (fig. 9, top right).

The two rams of these cylinders pass through the ends of, and carry, a crosshead, upon which the main ram rests.

This large upward force is required for stripping the tubes off the mandrels, in addition to raising the main ram crosshead, etc.

In Winwick Churchyard is a great fragment of a crosshead, consisting of the boss and two arms.

April 24, 2024gallimaufry

[gal-uh-maw-free ]

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