noun · 5 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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/tɹəˈd͡ʒɛktəɹi/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:T R AH0 JH EH1 K T ER0 IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The path an object takes as it moves.
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
The path of a body as it travels through space.
Definition source: English Wiktionary via Wiktextract
From New Latin trāiectōria f (“trajectory”) (used by Newton), the feminine of trāiectōrius (“of or pertaining to throwing across”), from Latin trāiectus (“thrown over or across”), past participle of trāiciō, from trans- (“across, beyond”) (see trans-) + iaciō (“to throw”) (from Proto-Indo-European *(H)yeh1- (“to throw, impel”)). Middle French and Middle English had trajectorie (“end of a funnel”), from Latin trāiectōrium.
Across languages
Translations
94 source translations are retained for this English entry.
Arabic:
مَسَار
(masār)
— path of a body
Armenian:
հետագիծ
(hetagic)
— path of a body
Azerbaijani:
trayektoriya
— path of a body
Basque:
traiektoria
— path of a body
Belarusian:
траекто́рыя
(trajektóryja)
— path of a body
Bulgarian:
траекто́рия
(traektórija)
— path of a body
Catalan:
trajectòria
— path of a body
Chinese Mandarin:
軌道 /轨道
(guǐdào)
— path of a body
Chinese Mandarin:
彈道 /弹道
(dàndào)
— path of a body
Czech:
dráha
— path of a body
Czech:
trajektorie
— path of a body
Danish:
bane
— path of a body
Dutch:
baan
— path of a body
Dutch:
traject
— path of a body
Esperanto:
trajektorio
— path of a body
Estonian:
trajektoor
— path of a body
Finnish:
rata
— path of a body
Finnish:
lentorata
— path of a body
French:
trajectoire
— path of a body
Galician:
traxectoria
— path of a body
Georgian:
ტრაექტორია
(ṭraekṭoria)
— path of a body
German:
Flugbahn
— path of a body
German:
Bahn
— path of a body
German:
Trajektorie
— path of a body
Greek:
τροχιά
(trochiá)
— path of a body
Hebrew:
מַסְלוּל
(maslúl)
— path of a body
Hindi:
प्रक्षेपवक्र
(prakṣepvakra)
— path of a body
Hungarian:
röppálya
— path of a body
Hungarian:
pálya
— path of a body
Hungarian:
pályagörbe
— path of a body
Hungarian:
út
— path of a body
Hungarian:
útvonal
— path of a body
Irish:
conair
— path of a body
Irish:
ruthag
— path of a body
Italian:
traiettoria
— path of a body
Japanese:
軌道
(kidō)
— path of a body
Japanese:
弾道
(dandō)
— path of a body
Khmer:
ចំណរ
(cɑmnɑɑ)
— path of a body
Korean:
궤도
(gwedo)
— path of a body
Korean:
탄도
(tando)
— path of a body
Latvian:
trajektorija
— path of a body
Lithuanian:
trajektòrija
— path of a body
Macedonian:
траекторија
(traektorija)
— path of a body
Māori:
arawhiu
— path of a body
Norwegian Bokmål:
bane
— path of a body
Persian:
مسیر پرتاب
(masir-e partâb)
— path of a body
Polish:
trajektoria
— path of a body
Polish:
bieg
— path of a body
Portuguese:
trajetória
— path of a body
Portuguese:
trajectória
— path of a body
Romanian:
traiectorie
— path of a body
Russian:
траекто́рия
(traektórija)
— path of a body
Serbo-Croatian:
трајекто̀рија
— path of a body
Serbo-Croatian:
пу̀тања
— path of a body
Serbo-Croatian:
trajektòrija
— path of a body
Serbo-Croatian:
pùtanja
— path of a body
Slovak:
trajektória
— path of a body
Slovak:
dráha
— path of a body
Slovene:
trajektórija
— path of a body
Spanish:
trayectoria
— path of a body
Swedish:
bana
— path of a body
Tagalog:
imbulog
— path of a body
Tamil:
போக்கு
(pōkku)
— path of a body
Thai:
วิถี
(wí-tǐi)
— path of a body
Turkish:
yörünge
— path of a body
Ukrainian:
траєкто́рія
(trajektórija)
— path of a body
Vietnamese:
quỹ đạo
— path of a body
Welsh:
llwybr
— path of a body
Finnish:
kehittyminen
— ordered set of intermediate states
German:
Entwicklung
— ordered set of intermediate states
Portuguese:
trajetória
— ordered set of intermediate states
Russian:
траекто́рия
(traektórija)
— ordered set of intermediate states
Turkish:
gelişme
— ordered set of intermediate states
Finnish:
kulku
— course of development
Finnish:
kehittyminen
— course of development
Galician:
traxectoria
— course of development
German:
Entwicklungsverlauf
— course of development
Greek:
τροχιά
(trochiá)
— course of development
Hungarian:
ív
— course of development
Hungarian:
menet
— course of development
Hungarian:
kimenetel
— course of development
Hungarian:
lefolyás
— course of development
Hungarian:
lefutás
— course of development
Hungarian:
kifutás
— course of development
Hungarian:
alakulás
— course of development
Irish:
cúrsa
— course of development
Irish:
treocht
— course of development
Japanese:
戦歴
(senreki)
— course of development
Polish:
bieg
— course of development
Portuguese:
trajetória
— course of development
Serbo-Croatian:
трајекто̀рија
— course of development
Serbo-Croatian:
то̑к
— course of development
Serbo-Croatian:
trajektòrija
— course of development