noun
1. the act of detecting something; catching sight of something
• Derivationally related forms: ↑spot, ↑spy (for: ↑spying), ↑espy (for: ↑espial), ↑detect (for: ↑detection)
• Hypernyms: ↑discovery, ↑find, ↑uncovering
2. the act of spotting or staining something
• Syn: ↑staining, ↑maculation
• Derivationally related forms: ↑maculate (for: ↑maculation), ↑spot
Useful english dictionary. 2012.