D defs.my
Entry 1 sense Webster, 1913

Asteroid

/ăs'tə-roid"/ · As·ter·oid · IPA /ˈæst(ə)ɹɔɪd/
01 n. A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; -- called also planetoids and m…
  1. 1.
    A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; -- called also planetoids and minor planets. Also: planetoids, minor planets