adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An airplane that has three pairs of wings, one above the others

Adjective

1. 1
   Composed of, or relating to, three planes (flat surfaces extending infinitely in all directions). not-comparable

Synonyms

All synonyms

airplane

Etymology

From tri- + plane.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.