quinquangle
1 synonym for quinquangle, grouped by meaning and by how common each one is.
Noun — Another word for a pentagon, the five-sided, five-angled shape.
Etymology
Comes from Late Latin quīnquangulum, used as a noun from the neuter of quīnquangulus (“pentagonal”). By surface analysis, it breaks down as quinqu- + -angle.
Full origin of quinquangle →