IPA: /ˈtɪərst/
KK: /tɪrkt/
Divided into three parts, either from top to bottom or side to side.
The painting was tierced, with three distinct sections of color.
Tierced → It originates from Old French 'tiercer' (meaning to divide into three parts) and the suffix '-ed' (indicating a past action). The word 'tierced' means divided into three parts or layers.
Think of dividing something into 'three parts' — that's what 'tierced' means.