Added 8 October 2026
planar
/ˈpleɪnɚ/ adjective
Latin root: plānārius Wiktionary
adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about planar at Wordnik → Where our words come from →
- Involving or having two dimensions.
Origin
From Late Latin plānārius (“relating to a plane”), derived from Latin plānus (“flat”, “level”), equivalent to plane + -ar, ultimately from Proto-Indo-European *pleh₂- (“flat”).
From Wiktionary, via Kaikki.org (CC BY-SA)