Asteroid As"ter*oid, n. [Gr. ? starlike, starry; 'asth`r star + e'i^dos form: cf. F. ast['e]ro["i]de. See {Aster}.] 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}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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