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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.
oriel a bay window that projects from a wall and is usu. supported from below by a bracket.
orient (cap., outdated) the regions east and southeast of southern Europe, esp. the Far East (usu. prec. by the); the East. [6 definitions]