Cilo

• (Classical Latin) IPA^(key): [ˈkiː.ɫoː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈt͡ʃiː.lo]

From cīlō (“having a large forehead pressed in upon the sides”).

Cīlō m sg (genitive Cīlōnis); third declension

1. a cognomen used by the gens Fabia, Caecilia, Trebulana, and others

   Lucius Fabius Cilo Septiminus Catinius Acilianus Lepidus Fulcinianus

    

Cīlō m sg (genitive Cīlōnis); third declension

1. alternative form of Chilo, a cognomen used by the gens Annia, Flaminia, Tadia, and others

   Lucius Flaminius Chilo sive Cilo

   L. Flaminius Chilo or Cilo

Third-declension noun, singular only.

• Cilo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• George Davis Chase, "Origin of Roman Praenomina", Harvard Studies in Classical Philology, Vol. 8, 1897, p. 109.