cross·head 
(krôshĕd′, krŏs-)
(krôshĕd′, krŏs-)n.
A beam that connects the piston rod to the connecting rod of a reciprocating engine.
- straight-line
- straightly
- straight man
- straightness
- straight off
- straight-out
- straight poker
- straight razor
- straight shooter
- straight-shooting
- straight ticket
- straight up
- straightway
- strain
- strain
- strain at stool
- strained
- strainer
- strain every nerve
- strain gauge
- straining beam
- strainometer
- strait
- straiten
- straitjacket