Lewis Short
glossa | glossae (noun F) = γλῶσσα:
* An obsolete or foreign word that requires explanation; for the usual glossema, Aus. Ep. 127 (in Quint. 1, 1, 35, written as Greek).—Hence, , a term applied to collections of such words with explanations: tesca aiunt sancta esse, Qui glossas scripserunt,Varr. L. L. 7, § 10 Müll; cf. glossema.
Charlton T. Lewis, Charles Short, A Latin Dictionary