id est
Adverb
Meaning
that is to say; in other words
Source: WordNetSynonyms
namely
sc
videlicet
viz.
to wit
that is
scilicet
i.e.
that is to say
strictly speaking
as it were
ie
Examples
Some manuscripts have the gloss id est terra vini.
Virgil gives Laocoön the famous line " Equō nē crēdite, Teucrī / Quidquid id est, timeō Danaōs et dōna ferentēs ", or "Do not trust the Horse, Trojans / Whatever it is, I fear the Greeks even bearing gifts."