mirrorshape

noun
UK /ˈmɪrəʃeɪp/
US /ˈmɪrərʃeɪp/

A mirrorshape is a shape that looks exactly the same when you flip it over like a mirror.

The butterfly's wings make a mirrorshape because each side matches the other.


OTHER MEANINGS

2. A form that is an exact reversed copy of another form.

The two puzzle pieces were mirrorshapes of each other.

3. The outline you see when something is reflected in a mirror.

She traced the mirrorshape of the vase on the glass.

4. A design that is the same on both sides of a center line.

The paper snowflake had a perfect mirrorshape.