Also found in: Encyclopedia, Wikipedia.
n. pl. Per·se·ids or Per·se·i·des (pər-sē′ĭ-dēz′)
One of a shower of meteors that appears to originate in the vicinity of the constellation Perseus during the second week of August.
[From Latin Perseus, the constellation Perseus; see Perseus, or from Greek Persēides, pl. of Persēis, offspring of Perseus (from Perseus, Perseus).]
(Celestial Objects) any member of a meteor shower occurring annually around August 12th and appearing to radiate from a point in the constellation Perseus
[C19: from Greek Persēides daughters of Perseus1]
Per•se•id(ˈpɜr si ɪd)
any of a shower of meteors appearing in August and radiating from a point in the constellation Perseus.