Standard Lemma guide
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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
The firing of rockets directed opposite to a craft's direction of motion in order to slow down.
Definition source: English Wiktionary via Wiktextract
Synonyms: none provided
Antonyms: none provided
verb
To fire rockets of a craft in the direction opposite to its direction of motion in order to slow down.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Italic *wre- Latin re- Latin retrōder. English retro- Proto-Indo-European *péh2wr̥ Proto-Germanic *fōr Proto-West Germanic *fuir Old English fȳr Middle English fyr English fire English retrofire From retro- + fire.
