astraddle

Mayo had been riding the main boom astraddle, hitching himself toward the captain, to make him hear.

McClellan's army being astraddle the Chickahominy, two courses of action were open to him when he was attacked.

Standing astraddle on both seats, with the map close to the lamp, I greedily followed the course of the 'tief' southward.

Astraddle on Tono-Bungay, he flashed athwart the empty heavens—like a comet—rather, like a stupendous rocket!