HSK C4/W3/V5
Correct

寸

/ cùn / 
Strokes

Definition

a unit of length/inch/thumb

Example

As a Measure word
cun ［a unit of length, equal to 1/3 decimetre］
As an Adjective
very short/little/small
As an Adjective
coincidental
As a Noun
cunkou pulse ［pulse on the wrist］