Wiktionary
groundwood
n. (context paper industry English) Wood that has been mechanically ground for pulp or direct use to produce certain kinds of paper or board; mechanical pulp.
Usage examples of "groundwood".
Long meadow grass flecked with bits of flowery color parted before them as they raced across the open field, bouncing over groundwood trunks and leaving in their wake two narrow ribbons of flattened grass.
As the men charged after her, the bottom cuff of her loose leggings snagged on a groundwood twig and for a moment the tick stalled, anchored in mid-air, as it dipped toward the ground.
Three of them ran back into town and returned with Shofu food and three cases of lemonale while the others dug up some groundwood and built a fire inside the circle of their bikes.