Description: The octopus is a mollusk in the class Cephalopoda. Cephalopoda means âhead footâ in Greek, and in this class of organisms the head and foot are merged. A ring of eight equally-long arms surround the head. The arms are covered on the underside with suction cups that are very sensitive to touch and taste.
Light fixture. A light fixture (US English), light fitting (UK English), or luminaire is an electrical device used to create artificial light by use of an electric lamp. All light fixtures have a fixture body and a light socket to hold the lamp and allow for its replacement.
The definition of a cretin is a very stupid person, or a person suffering from the disease cretinism, which causes mental problems and deformity. An example of a cretin is a person who constantly makes stupid and horrible mistakes. 2  An example of a cretin is someone with physical deformities due to the disease.