The Collaborative International Dictionary of English v.0.48:

Lyrid \Ly"rid\ (l[imac]"r[i^]d), n. (Astron.)
   One of the group of shooting stars which come into the air in
   certain years on or about the 19th of April; -- so called
   because the apparent path among the stars if traced backwards
   crosses the constellation Lyra.
   [1913 Webster]