Cucullus may refer to: \n* a Latin word referring to a hood of a garment, as in cucullus non facit monachum (The hood does not make the monk) \n* a substructure of the valva, a structure in male insects that is used to hold the female during copulation \n* a hood over the head of Ricinulei arachnids \n* a synonym for Conus, the cone snails, a genus of predatory sea snails