sawlike

Kimberella, a limpet-shaped creature with a front and back, also left trails, possibly scratch marks made by its radula—a sawlike structure similar to that used by molluscs to chop their food.

These sawlike edges have given the fish its name.

Moreover, I knew too little of such matters to guess that the ship must have run upon one of the reefs, and that every breaker must lift her up to crash and shiver herself upon its sawlike edge; indeed I had no notion of any danger; and when I saw lights on the ship, and others moving against her hull, my only thought was that I was watching the smugglers at their work.

He must then get over the perfectly straight log wall, which afforded no foothold, because all the nubs of the branches had been neatly pared off, and force his way over the sawlike top in the face of men with long spears.

His thin sawlike features wore an expectant expression, and his eyes were lightened by a look of cunning and greed as he occasionally glanced down the road.