Definify.com
Webster 1913 Edition
Agoing
A-go′ing
,adv.
[Pref.
a-
+ p. pr. of go
.] In motion; in the act of going;
as, to set a mill
. agoing
Webster 1828 Edition
Agoing
AGO'ING
, [The participle of go, with the prefix a.]In motion, as to set a mill agoing; or about to go; ready to go; as, he is agoing immediately. The latter use is vulgar.