D defs.my
Entry 2 senses Webster, 1913

Leo

/(lē"ō)/ · Le·o · IPA /ˈliːəʊ/
01 n. The Lion, the fifth sign of the zodiac, marked thus [♌] in almanacs.
  1. 1.
    The Lion, the fifth sign of the zodiac, marked thus [♌] in almanacs.(Astron.)
  2. 2.
    A northern constellation east of Cancer, containing the bright star Regulus at the end of the handle of the Sickle.
Phrases & compounds
Leo Minor — a small constellation between Leo and the Great Bear.