Definify.com
Webster 1913 Edition
Avaunt
A-vaunt′
,Verb.
T.
& I.
1.
To advance; to move forward; to elevate.
[Obs.]
Spenser.
2.
To depart; to move away.
[Obs.]
Coverdale.
A-vaunt′
,Verb.
T.
& I.
To vaunt; to boast.
[Obs.]
Chaucer.
A-vaunt′
,Noun.
A vaunt; to boast.
[Obs.]
Chaucer.
Webster 1828 Edition
Avaunt
AVAUNT
, exel.Begone; depart; a word of contempt or abhorrence, equivalent to the phrase, 'Get thee behind me.'