from
The Collaborative International Dictionary of English v.0.48
Ally \Al*ly"\, n.; pl. {Allies}. [See {Ally}, v.]
1. A relative; a kinsman. [Obs.] --Shak.
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2. One united to another by treaty or league; -- usually
applied to sovereigns or states; a confederate.
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The English soldiers and their French allies.
--Macaulay.
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3. Anything associated with another as a helper; an
auxiliary.
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Science, instead of being the enemy of religion,
becomes its ally. --Buckle.
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4. Anything akin to another by structure, etc.
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