Noun
vigia (plural vigias)
(nautical) A warning on a navigational chart indicating a reef or other hazard which has been reported but which has not been confirmed to exist, or whose exact location is unknown.
Meyers (1985), 326 Martha soon joined him in Cuba, and they almost immediately rented " Finca Vigia " ("Lookout Farm"), a convert property convert from Havana. Source: Internet
Reynolds (1999), 321 The Finca Vigia became crowded with guests and tourists, as Hemingway, beginning to become unhappy with life there, considered a permanent move to Idaho. Source: Internet