X-plane

noun

Any of a series of experimental aircraft and rockets, used to test and evaluate new technologies and aerodynamic concepts.

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Meanings

nounX-plane (plural X-planes)

plural X-planes

  1. USgovernmentAny of a series of experimental aircraft and rockets, used to test and evaluate new technologies and aerodynamic concepts.
Cite this entry
APA

X-plane. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/X-plane

MLA

“X-plane.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/X-plane. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “X-plane,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/X-plane.

Source: X-plane on Wiktionary, CC BY-SA 4.0.