piscis austrinus

noun, genitive Pis·cis Aus·tri·ni [pahy-sis aw-strahy-nahy, pis-is] /ˈpaɪ sɪs ɔˈstraɪ naɪ, ˈpɪs ɪs/. Astronomy.

1. the Southern Fish, a southern constellation between Aquarius and Grus, containing the bright star Fomalhaut.

noun Latin genitive Piscis Austrini (ɒˈstraɪnaɪ)

1. a small constellation in the S hemisphere lying between Aquarius and Grus and containing the first-magnitude star Fomalhaut