contactus

• (Classical Latin) IPA^(key): [kɔnˈtaːk.tʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [konˈtak.tus]

Perfect passive participle of contingō (“to touch on all sides”).

contāctus (feminine contācta, neuter contāctum); first/second-declension participle

1. touched on all sides, having been touched on all sides
2. reached, arrived at, having been reached
3. touched, affected, moved, having been moved

First/second-declension adjective.

From contingō +‎ -tus (forming action nouns).

contāctus m (genitive contāctūs); fourth declension

1. a touching; contact, touch

   Synonyms: contāgiō, tāctus

2. a contagion, infection

Fourth-declension noun.

• “contactus¹”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “contactus²”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “contāctus¹”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “contāctus²”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “contactus / contactŭs”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• "contactus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)