[ ur-sidz ]
/ ˈɜr sɪdz /

noun (used with a plural verb) Astronomy.

a collection of meteors comprising a meteor shower (Ursid meteor shower) visible around December 22 and having its apparent origin in the constellation Ursa Major.

Origin of Ursids

Definition for ursids (2 of 2)


[ ur-sid ]
/ ˈɜr sɪd /


any plantigrade carnivore of the family Ursidae, comprising the spectacled bear, the black, brown, and sun bears, and various extinct species that also gave rise to the giant panda of the family Ailuropodidae.

Origin of ursid

< New Latin Ursidae, equivalent to Urs(us) a genus (Latin: bear) + -idae -id2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019