rubbish heap; garbage dump
Refers to a place where trash or waste is piled up; can be literal or figurative.
There is an old rubbish heap on the outskirts of the village.
彼の部屋はまるで塵塚のようだ。
His room looks just like a garbage dump.
Compound of 塵 (ちり, 'dust, trash') and 塚 (つか, 'mound, hillock'). The reading つか becomes づか due to rendaku.