Telescopium

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A constellation in the Southern Hemisphere between Pavo and Sagittarius.

Century Dictionary and Cyclopedia

1. n. A southern constellation, introduced by La Caille in 1752. It contains one star of the fourth magnitude. Also Telescope.

Wiktionary

1. n. A small faint constellation of the southern winter sky, said to resemble a telescope. It lies south of the constellation of Corona Australis.
2. n. A small faint constellation of the southern winter sky, said to resemble a telescope. It lies south of the constellation of Corona Australis.

WordNet 3.0

1. n. a small constellation in the southern hemisphere near Ara