Cap·ri·corn / ˈkapriˌkôrn/ Astrol. the tenth sign of the zodiac (the Goat), which the sun enters at the northern winter solstice (about December 21). Compare with Capricornus. ∎  (a Capricorn) a person born when the sun is in this sign. PHRASES: tropic of Capricornsee tropic¹ . DERIVATIVES: Cap·ri·corn·i·an / ˌkapriˈkôrnēən/ n. & adj.

Capricorn the tenth sign of the zodiac (the Goat), which the sun enters at the northern winter solstice (about 21 December).

Recorded from Old English, the name comes from Latin capricornus, from caper, capr- ‘goat’ + cornu ‘horn’, on the pattern of Greek aigokēros ‘goat-horned, Capricorn’.

Capricorn zodiacal constellation. XIV. — (O)F. Capricorne — L. capricornus, f. caper, capr- goat + cornu HORN, ‘goat-horn’, after Gr. aigókerōs.