glos·si·na \ ̷ ̷ˈsīnə, -ˈsēnə\noun Etymology: New Latin, from gloss- + -ina 1.capitalized: an African genus of two-winged flies with a long slender sharp proboscis and plumose aristae comprising the tsetse flies — compare sleeping sickness; see glossinidae 2.-s: any insect of the genus Glossina: tsetse fly