# pentagonal

> English word · Adjective · IPA /pɛnˈtæɡənəl/ · frequency rank #86,621

## Definitions
1. Of, relating to, or shaped like a pentagon.

## Etymology
From pentagon + -al.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pentagonal