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(1) An operation in forging and stamping carried out on presses and hammers to produce a hole or depression in an item by pressing a solid or hollow piercing tool or punch into the item. Piercing may also be used in preparation for subsequent hole expansion or broaching of billets on a mandrel and for preliminary marking of a through hole to be produced by subsequent punching.

(2) An operation performed with dies using a sharp-edged punch to remove the inner burr remaining in stamped objects after marking a through hole on them.

(3) An operation in the production of seamless pipe carried out on presses using a piercing tool or on piercing mills using a mandrel to obtain hollow tubing from ingots or billets.

References in periodicals archive ?
She and her friends had their piercing done in the apartment of a Filipino nurse who gained a reputation among young girls who wanted to experiment in piercing new areas of their bodies.
I don't show off my belly button piercing that much, but it's something a bit different and nice to reveal sometimes.
aphrophilus endocarditis possibly caused by tongue piercing (or as a complication of the ongoing presence of the stud) in a patient with congenital heart disease.
Current medical literature on body piercing is largely descriptive and consists of problem-focused case studies, said Dr.
However society's conventions haven't dissuaded the young and the young-at-heart from the piercing parlors.
However, if you consume aspirin or alcohol before the piercing, bleeding can be heavier since these substances thin the blood, causing it to flow at a faster rate.
Men seem to prefer piercing the tongue, which some view as a sexual aid, while women prefer the navel area.
Policies stating flat out that body art and piercing are not allowed may lead to difficult situations.
Leonard, Gil Hollander has been promoted to President of Piercing Pagoda.
Current law makes it a misdemeanor to tattoo anyone under 18, but there are no laws regulating body piercing.
Zale Corporation has been advised by American Stock Transfer & Trust Company, the depositary for the tender offer, that as of the expiration of the tender offer 8,943,833 Piercing Pagoda shares, representing approximately 94.
Runner's bill originally would have made it a misdemeanor for anyone to perform a body piercing on a person under 18 years old without the presence or written consent of the parent or guardian.