a. [f. prec. + -AL 1.] Of or pertaining to asteroids.
1853. Bath Chronicle, 23 June, 4/3. The number of the asteroidal planets has been increased by two or three new discoveries.
1868. Lockyer, Heavens, 238. Meteoric and asteroidal rings.
1881. Proctor, Poetry Astron., x. 355. The asteroidal family.
