Definition of "clan"
noun:
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A group of people all descended from a common ancestor, in fact or belief.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A traditional social group of families in the Scottish Highlands having a common hereditary chieftain.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Any association of people behaving clannishly.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A group of players who habitually play on the same team in multiplayer games.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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