Ly"ra (?), n. [L. lyra, Gr. . See Lyre.]
1. Astron.
A northern constellation, the Harp, containing a white star of the first magnitude, called Alpha Lyrae, or Vega.
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2. Anat.
The middle portion of the ventral surface of the fornix of the brain; -- so called from the arrangement of the lines with which it is marked in the human brain.
© Webster 1913.