equuleus

noun, genitive E·quu·le·i [ih-kwoo-lee-ahy] /ɪˈkwu liˌaɪ/. Astronomy.

1. the Little Horse, a small northern constellation between Delphinus and Aquarius.

noun Latin genitive Equulei (ɛˈkwʊlɪˌaɪ)

1. a small faint constellation in the N hemisphere between Pegasus and Aquarius