What's the difference between gardant and guardant?

Gardant

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Definition:

• (a.) Turning the head towards the spectator, but not the body; -- said of a lion or other beast.

Example Sentences:

• (1) The all-party group for Bahrain is supported by the country's government, which engages Gardant Communications to act as its secretariat.

Guardant

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Definition:

• (v. t.) Acting as guardian.
• (v. t.) Same as Gardant.
• (n.) A guardian.

Example Sentences: