Meteoroid

['miːtɪərɒɪd] or ['mitɪər,ɔɪd]

Definition

(noun.) (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere.

Checker: Patty--From WordNet

Definition

(n.) A small body moving through space, or revolving about the sun, which on entering the earth's atmosphere would be deflagrated and appear as a meteor.

Edited by Enrico