Definition from Wiktionary, the free dictionary
capping (plural cappings)
- The act of removing one's hat as a token of respect.
- (geology) Rock that overlies a mineral deposit.
- The process of covering a borehole in order to seal an oil well.
- The selling of a security etc. close to an expiry date.
- (mathematics) The conversion of a polyhedron into a stellated polyhedron by raising a pyramid on each face.