Webster’s Revised Unabridged Dictionary · 1913
Libra
Li′bra (lī′brȧ), n.; pl. Libræ (lī′brē). [L., a balance.] (Astron.) (a) The Balance; the seventh sign in the zodiac, which the sun enters at the autumnal equinox in September, marked thus ♎ in almanacs, etc. (b ) A southern constellation between Virgo and Scorpio.