sight ‧ ing /ˈsaɪtɪŋ/ BrE AmE noun [countable]
[ Word Family: noun : ↑ sight , ↑ insight , ↑ oversight , ↑ sighting ; adjective : ↑ sighted , ↑ unsightly , ↑ sightless , ↑ insightful ; verb : ↑ sight ]
an occasion on which something is seen, especially something rare or something that people are hoping to see
sighting of
There were two unconfirmed sightings of UFOs in the area.
Where was the latest sighting?