capping /ˈkapɪŋ/noun 9forms 1 noun9 •(slang) Lying or exaggerating. •The process of covering a borehole in order to seal an oil well. •(slang) The act of painting over someone else's piece or tag. •The act of removing one's hat as a token of respect.I am very prodigall of cappings, namely in Summer, and I never receive any from what quality of men soever, but I give them as good and as many as they bring, except he be some servant of mine. — 1603 •(Internet) The recording of a television broadcast to one's computer. •The selling of a security etc. close to an expiry date. •(Internet) The method of capitalizing every other word in social media titling and tagging to improve readability over unmixed case. Example: #CAPPINGimprovesREADABILITY. •The conversion of a polyhedron into a stellated polyhedron by raising a pyramid on each face. •the leached upper part of a body or rock that still contains disseminated sulphide mineral deposit. formscappings