[ bawr-sahyt, bohr- ]
/ ˈbɔrˌsaɪt, ˈboʊr- /
verb (used with object)
to verify the alignment of the sights and bore of (a firearm).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for boresight
Now, I don't know how they operate, if they do boresight any there or not.Warren Commission (11 of 26): Hearings Vol. XI (of 15)|The President's Commission on the Assassination of President Kennedy