agresta

agresta [cf. OF aigrest] , sour juice (esp. of grapes), verjuice or vertsauce. b (?) sour fruit. pampinus et palmes et turio, botrus, agresta Neckam DS VIII 29; non redit nisi ad eandem acetositatem que fuit in ~a ante maturacionem Gad. 135. 1; 1315 si ‥ furatus fuerit racemos, ~am de vineis, poma ‥ et talia comestibilia RGasc IV 1626 (xxxiii); [sanguis Domini] de ~a non conficitur, i. succo uvarum immaturarum J. Burgh PO 3. 17v; veriowse, sauce, ~a PP; vert sawse, viridis salsa, †agretas CathA.  b teneat malum granatum aut ~am in manu, quam masticet in motu rejectionis Gilb. I 17 v. 2.