Enter a clue or pattern or both:
The Clue
Certain means: Abbr. (3 letter answer)
The Answer
AVS
Tags
Notes
The answer AVS is rarely seen, appearing only about once every 1600 puzzles.
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Definition
AV as a noun:
1. (Ab, Av) = the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)