glossa

ae, f.
I. an obsolete or foreign word that requires explanation; for the usual glossema, Aus. Ep. 127 (in Quint. 1, 1, 35, written as Greek).—Hence, glossae, 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.
Lewis & Short
A Latin Dictionary, 1879
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