Per·se·id  (pûr'sē-ĭd)  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).] |