Noun meteor has 2 senses
  1. meteor, shooting star - a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode
    --1 is a kind of light, visible light, visible radiation
    --1 is a part of meteor shower, meteor stream
    --1 has particulars: bolide, fireball
  2. meteoroid, meteor - (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
    --2 is a kind of extraterrestrial object, estraterrestrial body
    --2 has particulars: meteorite; meteor swarm
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