| planetoid | (n) วัตถุในอากาศ |
| planetoid | (แพลน'นิทอยดฺ) n. =asteroid (ดู) |
| minor planet | (n) any of numerous small celestial bodies that move around the sun, Syn. planetoid |
| Planetoid | n. [ Planet + -oid. ] (Astron.) A body resembling a planet; an asteroid. [ 1913 Webster ] |
| Planetoidal | a. Pertaining to a planetoid. [ 1913 Webster ] |