adv. rare. Also 7 thwartway. [f. THWART a. + -WAYS.] = next, A.
1665. Hooke, Microgr., xxii. 139. There were not more seemd to lie horizontally then perpendicularly and thwartway.
1893. Kipling, Many Invent., 11. He lashed the canes together criss-cross and thwartways.