Entry 2 senses · 2 variants Webster, 1913 Ara /ăr'-ə/ · A·ra · IPA /ˈeɪ.ɹə/ n. n. 01 n. The Altar; a southern constellation, south of the tail of the Scorpion. 1. The Altar; a southern constellation, south of the tail of the Scorpion.(Astron.) 02 n. A name of the great blue and yellow macaw (Ara ararauna), native of South America. 1. A name of the great blue and yellow macaw (Ara ararauna), native of South America.(Zool.)