Overthwart

[…] entrance, and access on all sides, by the felling of huge Trees overthwart one another, was quite barr’d up;

Source: wiktionary

For when a Gyant’s slain in fight, And mow’d orethwart, or cleft downright, It is a heavy case, no doubt, A man should have his Brains beat out, Because he’s tall, and has large Bones;

Source: wiktionary

[...] they are ioyned by two and two together, and every couple sustaineth a third stone lying overthwart, gatewise, which is fastened by the meanes of tenons that enter into mortaises of those stones not closed with any cement.

Source: wiktionary

By and by after his iumping vppon them, the Saxons for that Garianonum, or Yarmoth that had giuen vp the ghoſt, in thoſe ſlymie plaſhie fieldes of Gorlſtone trowled vp a ſecond Yarmouth, abutting on the Weſt ſide of the ſhore of this great Yarmouth, that is, but feeling the ayre to be vnholſome and diſagreeing with them, to the ouerwhart brink or verge of the flud, that writ all one ſtile of Cerdicke ſands, they diſlodged with bagge and baggage, and there layde the foundatiõ of a third Yarmouth Quam nulla poteſt abolere vetuſtas, that I hope will holde vp her head till Doomeſday.

Source: wiktionary