Skip to the word

Added 9 October 2026

perimeter

/pɪˈɹɪm.ɪ.tə/ noun

Latin root: perimetros Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about perimeter at Wordnik → Where our words come from →

The boundary line or the area immediately inside the boundary.
A line enclosing a plane areas.
The size of something as given by the distance around it.

Origin

From Latin perimetros, Ancient Greek περίμετρος (perímetros). Equivalent to peri- + meter.

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word