pile
/ˈpī(-ə)l/
noun
a long slender column usually of timber, steel, or reinforced concrete driven into the ground to carry a vertical load
a wedge-shaped heraldic charge usually placed vertically with the broad end up
a target-shooting arrowhead without cutting edges
… thus Ellet reported that the riverbed was … firm enough to drive piles into for the foundations of piers.
verb
to drive piles into