D defs.my
Entry 1 sense Webster, 1913

Perseid

· Per·se·id · IPA /ˈpɝ.si.ɪd/
01 n. One of a group of shooting stars which appear yearly about the 10th of August, and cross the heavens in paths apparently radiating from the…
  1. 1.
    One of a group of shooting stars which appear yearly about the 10th of August, and cross the heavens in paths apparently radiating from the constellation Perseus. They are probably fragments of Swift's comet of 1862 (III).(Astron.)