The piercing is done across (transversely) to the shaft (see the picture on the bottom right, below), but the term is sometimes extended (incorrectly) to include piercings running longitudinally (parallel to the length of the shaft) elsewhere on the penis.
https://wiki.bme.com/index.php?title=Frenum_Piercing
From Wikipedia, the free encyclopedia. A frenulum (or frenum, plural: frenula or frena, from the Latin frēnulum, little bridle, the diminutive of frēnum) is a small fold of tissue that secures or restricts the motion of a mobile organ in the body. 1 In human anatomy.
https://en.wikipedia.org/wiki/Frenulum
The infant's head is steadied by placing the surgeon's non-operating hand over the infant's forehead and using the same hand to open the mouth for access to the lingual area The assistant can control any body movements and assist in pulling down on an infant's lower lip to aid in seeing the lingual fraenum attachment.
http://medical-dictionary.thefreedictionary.com/Fraenum
From Wikipedia, the free encyclopedia. A frenulum (or frenum, plural: frenula or frena, from the Latin frēnulum, little bridle, the diminutive of frēnum) is a small fold of tissue that secures or restricts the motion of a mobile organ in the body. 1  1 In human anatomy.  2 In entomology.
https://en.wikipedia.org/wiki/Frenulum
Frenum with barbell piercing. A frenum piercing is a piercing performed through the surface skin of the shaft of the penis just under the glans, but not entering the urethra or the shaft core.
https://wiki.bme.com/index.php?title=Frenum_Piercing
Along with a PA, a frenum piercing is considered an easy male genital piercing in that it is generally found to be one of the least painful male genital piercings.
https://wiki.bme.com/index.php?title=Frenum_Piercing
Variations on the frenum include the frenum ladder (third picture, first row), a series of piercings, often along the dorsal mid-line or raphé (the mid-line on the underside of the penis), or the frenum loop (first picture, second row), where a single ring is attached by a frenum piercing and encircles the shaft.
https://wiki.bme.com/index.php?title=Frenum_Piercing
A more specific detailed description is based upon identifying the location of the fraenum insertion from a distance of approximately 12mm from the tip of the tongue to the insertion point at the base of the tongue (Fig.
http://medical-dictionary.thefreedictionary.com/Fraenum
The lingual fraenum is described as the embryological remnant of tissue in the midline between the undersurface of the tongue and the floor of the mouth that restricts normal tongue movement [Hazelbacker, 2010].
http://medical-dictionary.thefreedictionary.com/Fraenum
n. pl. fre·nums or fre·na (-nə) A membranous fold of skin or mucous membrane that supports or restricts the movement of a part or organ, such as the small band of tissue that connects the underside of the tongue to the floor of the mouth.
http://medical-dictionary.thefreedictionary.com/Fraenum
what is fraenulum?
Fraenulum is a small fold of tissue that secures or restricts the motion of a mobile organ in the body.