mensula

γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς τε καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων → grammar is a practical knowledge of the usage of poets and writers of prose

Latin > English (Lewis & Short)

mensŭla: ae, f.
dim. id.,
I a little table (ante-class. and post-Aug.), Plaut. Most. 1, 3, 150; Petr. 136; App. M. 2, 11, p. 119.