In*cog"ni*to (?), a. ∨ adv. [It. incognito, masc., incognita, fem., L. incognitus unknown; pref. in- not + cognitus known, p. p. of cognoscere: cf. F. incognito, fr. It. See Cognition.]
Without being known; in disguise; in an assumed character, or under an assumed title; -- said esp. of great personages who sometimes adopt a disguise or an assumed character in order to avoid notice.
'T was long ago
Since gods come down incognito.
Prior.
The prince royal of Persia came thither incognito.
Tatler.
© Webster 1913.
In*cog"ni*to, n.; pl. Incognitos (#). [See Incognito, a.]
1.
One unknown or in disguise, or under an assumed character or name.
2.
The assumption of disguise or of a feigned character; the state of being in disguise or not recognized.
His incognito was endangered.
Sir W. Scott.
© Webster 1913.