(bound form) a thick, solid block of stone, wood, or brick used as a base, support, or seat; a pier or pillar

Used for clusters of plants growing together or bunches of things tied together

(Mainland China) to mop or scrub the floor using a mop, which is often referred to as a 墩布 dūn​bù

a mound of earth or a small hillock

(classifier) a round in a card game; a trick

(archaic) a beacon tower or watchtower