microscopium

noun, genitive Mi·cro·sco·pi·i [mahy-kruh–skoh-pee-ahy] /ˌmaɪ krəˈskoʊ piˌaɪ/. Astronomy.

1. the Microscope, a small southern constellation south of Capricorn.

noun Latin genitive Microscopii (ˌmaɪkrəˈskəʊpɪˌaɪ)

1. a faint constellation in the S hemisphere lying near Sagittarius and Capricornus