Traversely

adv. rare. [f. TRAVERSE a. + -LY².] Crosswise; transversely.

1656.  [? J. Sergeant], trans. T. White’s Peripat. Inst., 151. Being carry’d traversly by some motion of the Aire, ’t is call’d a Gliding Star.

1738.  Wieler, in Phil. Trans., XLI. 100. I tied … at the End of the larger Arm, a piece of Stick traversly.

1826.  Kirby & Sp., Entomol., III. xxxv. 606. They [elytra] may … help them in flying traversely and before the wind.