ppl. a. Comm. [f. LIQUOR v. + -ING2.] Of tea: That produces (a specified kind of) liquor. (Cf. LIQUOR sb. 5.)

1

1891.  Times, 13 Oct., 9/3. Tea…. Undesirable liquoring sorts were rather lower.

2

1892.  Pall Mall Gaz., 22 Aug., 7/1. Useful liquoring teas show an advance of a farthing.

3