cross·beam 
(krôsbēm′, krŏs-)
(krôsbēm′, krŏs-)n.
A horizontal or transverse beam, especially a structural beam resting on two supports.
- openhearted
- openheartedly
- openheartedness
- open-hearth
- open-heart surgery
- open house
- opening
- open interval
- open-label
- open letter
- open listing
- open loop
- openly
- open market
- open marriage
- open meeting law
- open mike
- open-minded
- open-mindedly
- open-mindedness
- open-mouthed
- open-mouthedly
- openness
- open (one's) eyes
- open one's eyes