An animal is a multicellular lifeform of the kingdom Animalia in biology. In normal conversation, it is used to refer to a non-sentient member of that kingdom. Unlike plants, animals cannot make their own food energy, and unlike the more closely related fungi, digestion takes place internally, rather than externally.
On Betazed, women used to wear huge wigs with large holes in the middle where cages for tiny animals were kept. This fashion was very cruel for the animals and was abolished after many years. (TNG: "Half a Life")
- See Invertebrate