Correct

墩

/ dūn /

Strokes

Definition

block/gate pillar/pier/classifier for clusters of plants/classifier for rounds in a card game: trick/(archaic) watchtower

Example

As a Noun

mound

1

Tǔdūn

土墩

mound

As a Noun

block of stone/wood

2

Shídūn

石墩

stone block for sitting

As a Noun

sitting block; stool in the shape of a drum or a cube

As a Verb

mop (the floor, etc)

As a Measure word

cluster