a short post used to tie up a ship or on a road for directing traffic

spike

to make (a space) too full; put, push, very much or too much of (something) (into something)

fill to overflowing; compress

a kind of small fish (usually preserved in oil)

fill, compact

a V-shaped piece of wood or metal, used to split wood or rock (by being hammered), to widen an opening or to keep two things separate; to fix (something) tightly (as if) with a wedge

solid piece, often triangular