The definition of avaunt is to be gone, leave or depart.interjection
An example of avaunt is what a king would say to a servant to dismiss him from the room.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Origin: ME < OFr avant, forward < LL abante < L ab, from + ante, before
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Origin: Middle English, forward, from Old French avant, from Latin abante : ab-, from; see ab-1 + ante, before; see ante-.