Cicerone (siseroni)

n. pl. cic·e·ro·nes or cic·e·ro·ni (-n)
A guide for sightseers.

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[Italian, from Latin Cicer, Cicern-, Marcus Tullius Cicero.]

Cicerone

\Ci`ce*ro"ne\, n.; pl. It. Ciceroni, E. Cicerones. [It., fr. L. Cicero, the Roman orator. So called from the ordinary talkativeness of such a guide.] One who shows strangers the curiosities of a place; a guide.