Guild definitions

gĭld
In medieval times, a union of men in the same craft or trade to uphold standards and protect the members.
noun
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Any association for mutual aid and the promotion of common interests.
noun
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A group of species in a community that use similar environmental resources in a similar way, such as a group of songbirds that all glean insects from leaves.
noun
8
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The definition of a guild is a formal group that has a common interest, or a group of craftsman or merchants with mutual interests and standards.

A group of teachers who have all come together to fight for the shared goal of greater compensation and other employment benefits is an example of a teacher's guild.

noun
6
1
(biology) A group of diverse species that share common characteristics or habits.
noun
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A group of tradespeople made up of merchants, craftspeople, or artisans, particularly in the Middle Ages.
noun
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Origin of guild

Middle English gild from Old Norse gildi payment, guild