gli·o·cla·di·um \ˌglīōˈklādēəm\noun Usage: capitalized Etymology: New Latin, from gli- + -cladium (from Greek klados branch) — more at gladiator : a genus of molds resembling those of the genus Penicillium but with the conidia of a spore head becoming surrounded by a slimy deposit that binds them into a rounded mass