from The Century Dictionary and Cyclopedia
- Nautical, across the ship from side to side: opposed to fore and aft.
Sorry, no etymologies found.
The Commander gets a firm grip on a frame and thwartships brace.
A groan came from the darkness just inside the open door of the 'thwartships passage.
Abaft the secretaries 'cabins, and occupying the whole breadth of the boat, were a number of cabins and suites for the accommodation of Mrs. Pulitzer, other members of the family, and guests; and abaft of these, cut off by a' thwartships bulkhead, were the quarters of the crew.
"Run back and forth thwartships, you there; all you good people!" cried
When dressed he went out into the cabin, closing the door upon his berth, and for lack of anything better to do, seated himself on the thwartships transom, against the forward bulkhead, behind the table.
Her hull had been sheathed with oak planking and the bulkheads, forward, aft, and thwartships, were of oak and of the best workmanship.
'thwartships from one side of the boat to the other, shutting off a small space of deck for the use of the crew.