Definition of "thwartship" [thwartship]

• Nautical, lying across the vessel.

The Century Dictionary (Public Domain)

• "No one had noticed it, but they suddenly became aware that the almost-square cabin was now definitely rectangular, with the familiar controls, the communications wall, and the thwartship partition aft of them forming three sides to the encroaching fourth."
• "To support these girders in a thwartship direction a series of transverse frames were placed at 12 feet 6 inches centres throughout the length of the ship, and formed, when viewed cross-sectionally, a universal polygon of twelve sides."
• "Lanyard moved down to the junction of the thwartship passage with the fore-and-aft alleyway."