appendage
noun
[ əˈpɛndɪdʒ ]
• a thing that is added or attached to something larger or more important.
• "they treat Scotland as a mere appendage of England"
Similar:
addition,
attachment,
adjunct,
addendum,
appurtenance,
accessory,
accompaniment,
affix,
extra,
add-on,
supplement,
accretion,
peripheral,
• a projecting part of an invertebrate or other living organism, with a distinct appearance or function.
• "a pair of feathery appendages through which oxygen is absorbed"
Similar:
protuberance,
projection,
extremity,
limb,
organ,
tail,
tailpiece,
arm,
leg,
process,
member,