(chemistry) An organic compound. / An organic food. / (science fiction) A living organism, as opposed to a robot or hologram.

(British spelling, Australian spelling, New Zealand spelling) Standard spelling of organization.

Originally, secret rites or ceremonies, typically involving riotous and dissolute behaviour, including dancing, drunkenness and indiscriminate sexual activity, undertaken in honour of various pagan gods or goddesses (such as Attis, Bacchus, Ceres, Dionysus, Osiris, etc). [from 16th c.]

(cytology) A specialized structure found inside cells that carries out a specific life process (e.g. ribosomes, vacuoles).

An organism that is not directly dependent on another organism for survival.

A shorthand system for notating organ music, used mostly by the north German Baroque organ school, and distinguished from musical notation by the use of letter names, octave lines and other symbols instead of notes and accidentals and by the lack of staff lines.

Any of many knobs near the keyboard of an organ used to select different sounds or timbres. / The timbre so produced.

A musician who plays the organ.

(not comparable) Of or relating to orgasms. / (comparable) Prone to or capable of having orgasms. / Very exciting or stimulating.

(British spelling) Standard spelling of organize.