1. At another time; later.
2. In a short time; soon.
3. Archaic. At once; forthwith.

ever (or now) and anon

1. Time after time; now and then.

[Middle English, at once, from Old English on ān : on, in; see on + ān, one.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.