Definitions
having a surface without slope, tilt in which no part is higher or lower than another
Word origin
From Latin plānum (“flat surface”), a noun use of the neuter of plānus (“plain”). The word was introduced in the 17th century to distinguish the geometrical senses from the other senses of plain. Doublet of llano, piano, and plain.
Used in a sentence
“Mirrors in the compartments have been canted out of the vertical plane to reduce reflections to the passengers when seated.”
“astral plane”
“on a plane”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Aircraft with wings”5 letters
02“Airport vehicle with wings”5 letters
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