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