Meaning
Of or pertaining to a plane.
Etymology
Origin: Latin
From Late Latin plānārius (“relating to a plane”), derived from Latin plānus (“flat”, “level”), ultimately from Proto-Indo-European *pleh₂- (“flat”).
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2020, 2021, 2022.