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or else or you will be sorry.
Orestes in the ancient Greek dramatic trilogy The Oresteia by Aeschylus, the protagonist, who avenges his father's death by killing his mother and her lover.
organ a musical instrument consisting of a keyboard attached to a device that forces air through a number of pipes to produce a wide range of sounds; pipe organ. [4 definitions]
organ donor one who agrees to have a bodily organ or organs removed, either before or after death, to be used in organ transplant or for medical research.
organdy a fine, stiff, translucent cotton fabric used for blouses, curtains, and the like.
organelle a discrete structure within a cell, such as a nucleus, that has a specialized, organlike function.
organ grinder a person who plays a hand organ or hurdy-gurdy on the streets to earn money.
organic of, affecting, or relating to an organ of a plant or animal. [6 definitions]
organically in an organic way.
organism any single living being, such as an animal, plant, fungus, or bacterium. [2 definitions]
organist a person who plays the organ.
organization the act or process of organizing. [3 definitions]
organizational of or relating to organization or an organization.
organize to set in order; arrange in a systematic pattern. [6 definitions]
organized set in order; arranged in a systematic pattern. [3 definitions]
organizer one who organizes, esp. by finding members for a trade union. [3 definitions]
organza a thin, stiff, translucent fabric of silk or synthetic fibers, used for evening gowns, trimming, and the like.
orgasm the climax and release of sexual excitement.
orgiastic of, concerning, or resembling an orgy. [2 definitions]
orgy unrestrained eating, drinking, or sexual activity. [3 definitions]
oribi a small tan African antelope with straight short horns and a tuft of hair growing from each knee.