wavyborder

noun
UK /ˈweɪvi ˈbɔːdə/
US /ˈweɪvi ˈbɔːrdər/

A line around something that goes up and down like little waves.

The invitation had a wavyborder in bright blue.


OTHER MEANINGS

2. A decorative trim on clothing or fabric with a wavy shape.

She sewed a wavyborder onto the hem of the skirt.

3. A computer design setting that draws a wavy line around a picture or text box.

He added a wavyborder to the photo in the editing app.

4. A natural boundary, like a shoreline, that curves in and out.

The lake's wavyborder made it hard to measure.