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Look up bore sight in Wiktionary, the free dictionary.
Boresight may refer to:
- Antenna boresight, the optical axis of a directional antenna
- Boresight (firearm), adjustments made to an optical sight, to align the barrel of a firearm with the sights
- Boresight point, also known as gun harmonisation, the alignment of weapons in an aircraft
- Project Boresight, a US radio direction finding system