vomit comet

noun

A reduced-gravity aircraft, an airplane that briefly provides a nearly weightless environment by flying on a parabolic flight path; used to train astronauts or conduct research.

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Meanings

vomit comet1

nounvomit comet (plural vomit comets)

plural vomit comets

  1. slangA reduced-gravity aircraft, an airplane that briefly provides a nearly weightless environment by flying on a parabolic flight path; used to train astronauts or conduct research.

vomit comet2

nounvomit comet (plural vomit comets)

plural vomit comets

  1. UKslangThe final train of the day's timetable.

Origin

vomit comet · noun

From vomit + comet, from its potential to cause nausea.

Full word history & related roots →

vomit comet · noun

From vomit + comet, from the passengers of the train, who are often drunk and therefore prone to vomiting.

Full word history & related roots →
Cite this entry
APA

vomit comet. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/vomit%20comet

MLA

“vomit comet.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vomit%20comet. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “vomit comet,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/vomit%20comet.

Source: vomit comet on Wiktionary, CC BY-SA 4.0.