Princeton's WordNet

1. orbit, celestial orbit(noun)

   the (usually elliptical) path described by one celestial body in its revolution about another

   "he plotted the orbit of the moon"

2. sphere, domain, area, orbit, field, arena(noun)

   a particular environment or walk of life

   "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

3. scope, range, reach, orbit, compass, ambit(noun)

   an area in which something acts or operates or has power or control: "the range of a supersonic jet"

   "a piano has a greater range than the human voice"; "the ambit of municipal legislation"; "within the compass of this article"; "within the scope of an investigation"; "outside the reach of the law"; "in the political orbit of a world power"

4. orbit, electron orbit(noun)

   the path of an electron around the nucleus of an atom

5. eye socket, orbit, cranial orbit, orbital cavity(verb)

   the bony cavity in the skull containing the eyeball

6. orb, orbit, revolve(verb)

   move in an orbit

   "The moon orbits around the Earth"; "The planets are orbiting the sun"; "electrons orbit the nucleus"

Kernerman English Learner's Dictionary

1. orbit(noun)ˈɔrbət

   the circular path of sth that moves around sth else in space

   the Earth's orbit; in orbit around the moon

2. orbit(verb)ˈɔrbət

   to move in an orbit

   The moon orbits the earth.

Wiktionary

1. orbit(Noun)

   A circular or elliptical path of one object around another object.

   The Moon's orbit around the Earth takes nearly one month to complete.

2. orbit(Noun)

   A sphere of influence; an area of control.

   In the post WWII era, several eastern European countries came into the orbit of the Soviet Union.

3. orbit(Noun)

   The course of one's usual progression, or the extent of one's typical range.

   The convenience store was a heavily travelled point in her daily orbit, as she purchased both cigarettes and lottery tickets there.

4. orbit(Noun)

   The bony cavity containing the eyeball; the eye socket.

5. orbit(Noun)

   The path an electron takes around an atom's nucleus

6. orbit(Noun)

   A collection of points related by the evolution function of a dynamical system.

7. orbit(Verb)

   To circle or revolve around another object.

   The Earth orbits the Sun.

8. orbit(Verb)

   To move around the general vicinity of something.

   The harried mother had a cloud of children orbiting her, asking for sweets.

9. orbit(Verb)

   To place an object into an orbit around a planet

   A rocket was used to orbit the satellite

Origin: Latin orbita ‘course, track’.

U.S. National Library of Medicine

1. Orbit

   Bony cavity that holds the eyeball and its associated tissues and appendages.

• wentelbaanAfrikaans
• مَدارArabic
• орбитаBulgarian
• órbitaPortuguese (BR)
• oběžná dráhaCzech
• die Orbit, die UmlaufbahnGerman
• bane; kredsløbDanish
• τροχιάGreek
• órbitaSpanish
• orbiitEstonian
• مدارFarsi
• kiertorataFinnish
• orbiteFrench
• מַסלוּלHebrew
• कक्षा, कक्षHindi
• putanja, orbitaCroatian
• pálya (égitesté)Hungarian
• orbitIndonesian
• (hring)brautIcelandic
• orbitaItalian
• 軌道Japanese
• 궤도Korean
• orbitaLithuanian
• orbītaLatvian
• orbitMalay
• baanDutch
• bane, krets(løp)Norwegian
• orbitaPolish
• مدارPersian
• مدارPashto
• órbitaPortuguese
• orbităRomanian
• орбитаRussian
• obežná dráhaSlovak
• orbitaSlovenian
• orbitaSerbian
• [omlopps]banaSwedish
• วิถีโคจรThai
• yörüngeTurkish
• (天體等的)運行軌道Chinese (Trad.)
• орбітаUkrainian
• مدارUrdu
• quỹ đạoVietnamese
• （天体等的）运行轨道Chinese (Simp.)