sighting

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the act of observing
- several sightings of enemy troops were reported
• Derivationally related forms:
sight
• Hypernyms:
observation, observance, watching
• Hyponyms:
landfall

• Từ đồng nghĩa / Synonyms:
  batch, view, survey, ken, vision, visual sense, visual modality, spy