I. nounEtymology: Greek asteroeid?s starlike, from aster-, ast?rDate: 1802 1. any of the small rocky celestial bodies found especially between the orbits of Mars and Jupiter 2.starfish • asteroidaladjectiveII. adjectiveDate: 1854 1. resembling a star <asteroid bodies in sporotrichosis> 2. of or resembling a starfish
Asteroid As"ter*oid, n. [Gr. ? starlike, starry; 'asth`r star + ? 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.