Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. băt, a comic word formed to parody the conj. at: Ps. Potin aliam rem ut cures? Cali. At. Ps. Bat. Cali. Crucior, Plaut. Ps. 1, 3, 6 Lorenz ad loc.; cf.: at enim … bat enim, id. Ep. 1, 1, 86 (95).
2. băt, sonus ex ore cornicinis lituum eximentis, Charis. p. 213 P.