noun, plural: appendages
Things or parts added or attached to another entity.
Parts or organs that are joined to the axis or trunk of an organism’s body (such as limbs, fins, arms, legs, wings, antennae), or parts joined to other things (such as accessory organs of the eye, appendix of the intestines, mouthparts like mandibles and maxillae, etc.).
Word origin: append > Latin appendere or French appendre: compare with Old English appenden, apenden, to belong + -age > from Latin -aticum.