1737 G. Ogle 16 Oyster liquor,..More sav'ry far, than catchop, or cavare.
1860 C. W. H. Dall 153 (note) Gallons of oyster liquor are thrown away every day by dealers who sell the fish ‘solid’.
1979 (Nexis) 11 Nov. (Mag. section) 14 The diner can enjoy sipping the oyster liquor after eating the oyster.