D defs.my
Entry 1 sense Webster, 1913

Leonid

/(lē"ō̇*nĭd)/ · Le·o·nid · IPA /ˈliː.ə.nɪd/
01 n. One of the shooting stars which constitute the star shower that recurs near the fourteenth of November at intervals of about thirty-three y…
  1. 1.
    One of the shooting stars which constitute the star shower that recurs near the fourteenth of November at intervals of about thirty-three years; -- so called because these shooting stars appear on the heavens to move in lines directed from the constellation Leo.(Astron.)