What is the meaning of eject?

verb

• Put out or expel from a place.
  • usage: "The unruly student was excluded from the game"
  • synonyms: chuck out, exclude, turf out, boot out, turn out
• Eliminate (a substance. )
  • usage: "combustion products are exhausted in the engine"; "the plant releases a gas"
  • synonyms: exhaust, discharge, expel, release
• Leave an aircraft rapidly, using an ejection seat or capsule.
• Cause to come out in a squirt.
  • usage: "the boy squirted water at his little sister"
  • synonyms: squirt, force out, squeeze out