ASCIDIA
- A pitcher-shaped or flask-shaped organ or appendage of a plant.
- One of a genus of simple ascidians, which formerly included most of the known species; sometimes used as a name for the Ascidiidae, or for all the Tunicata.
- One of a genus of simple ascidians, which formerly included most of the known species; sometimes used as a name for the Ascidiidae, or for all the Tunicata.