In a vertical engine, a horizontal beam, usually trussed, that transmits power to the crankshaft through the connecting-rod.

Synonym of dipped headlight

(rail transport, US) a transverse beam at the end of a locomotive which carries the pilot or cowcatcher.

A field of electromagnetic, acoustic or gravitational radiation whose amplitude is described by a Bessel function of the first kind.

Steering of the direction of a beam of radiation

plural of beam engine

A kind of steam engine where a pivoted overhead beam is used to apply the force from a vertical piston to a vertical connecting rod.

(architecture) A member of a kind of roof truss (a hammer-beam truss), so framed as not to have a tiebeam at the top of the wall. Each principal has two hammer beams, which occupy the situation, and to some extent serve the purpose, of a tiebeam.

(carpentry) The top longitudinal beam of a ridged roof where the top ends of the rafters meet.

(textiles) In warping, a roller that receives the yarn from the spools.