ˌsemə̇ˌsəlkəˈspīrə noun
Usage: capitalized
Etymology: New Latin, from semi- + Latin sulcus furrow + New Latin -spira (from spirare to breathe) — more at spirit
: a genus of freshwater snails (family Thiaridae) of eastern Asia and the Pacific islands where they are sometimes used as food and are of prime medical importance as intermediate hosts of pathogenic trematode worms