Lewis & Short

cŏquīno, āre, v. a. [coquinus], to perform the office of a cook, perh. only Plaut. Ps. 3, 2, 64; 3, 2; 85 Lorenz with MSS. (Fleck. in both passages coquitare, ex conj.; cf. coquito); id. Aul. 3, 1, 3 Wagn., Ussing; cf. Non. p. 85, 31.