Standard Lemma guide

tailsitter

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A vertical-takeoff aircraft whose fuselage is perpendicular to the ground at takeoff.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A vertical-takeoff spacecraft whose fuselage is perpendicular to the ground at both takeoff and landing; a spacecraft that can land vertically.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From tail + sitter.

Across languages

Translations

2 source translations are retained for this English entry.

  • German: Heckstarter — A vertical-takeoff aircraft
  • Spanish: posacola — A vertical-takeoff aircraft