Lewis & Short

al-lambo (adl-), ēre, v. a. (only postclass.), to lick at or on a thing, to lick: virides adlambunt ora cerastae, Prud. Ham. 135; Mart. Cap. 4, p. 63.
Trop., to touch, come in contact with, Aus. Mos. 359: adlambentes flammae, Quint. Decl. 10, 4.