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Webster 1913 Edition

Adj.

Noun.

from

Verb.

Sighting shot

a shot made to ascertain whether the sights of a firearm are properly adjusted; a trial shot.

sighting ‎(plural sightings)

The act of catching sight of something, especially something searched for
There will be a small prize for the first sighting of a seal

act of catching sight of something, especially something searched for

sighting