Main Entry: ¹as·ter·oid

Pronunciation: \ˈas-tə-ˌrȯid\

Function: noun

Etymology: Greek asteroeidēs starlike, from aster-, astēr

Date: 1802

1 : any of the small rocky celestial bodies found especially between the orbits of Mars and Jupiter
2 : starfish

— as·ter·oi·dal \ˌas-tə-ˈrȯi-d^əl\ adjective