blotch.

An irregularly shaped area of different color, often appearing as a mark or stain.

Use it for

Words that belong together

• dark blotch
• ink blotch

On the page

A dark blotch spread across the damp ceiling.

Usage notes

Primary category: sensory / description. Forms: Singular blotch; plural blotches. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: description. Commonness: moderately common. Third-person singular: blotches.