Forehand \Fore"hand`\, a. Done beforehand; anticipative.

And so extenuate the forehand sin. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Forehand \Fore"hand`\, n.

1. All that part of a horse which is before the rider. --Johnson.

2. The chief or most important part. --Shak.

3. Superiority; advantage; start; precedence.

And, but for ceremony, such a wretch . . . Had the forehand and vantage of a king. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)