What is "to give a say at"

Say \Say\ (s[=a]), n. [Aphetic form of assay.]

1. Trial by sample; assay; sample; specimen; smack. [Obs.]

   If those principal works of God . . . be but certain tastes and says, as it were, of that final benefit.
   --Hooker.

   Thy tongue some say of breeding breathes.
   --Shak.

2. Tried quality; temper; proof. [Obs.]

   He found a sword of better say.
   --Spenser.

3. Essay; trial; attempt. [Obs.]

   To give a say at, to attempt.
   --B. Jonson.