sportsherald. 2 votes Vote for this answer. Another name for a wing dam is a groyne: 'River groynes (spur dykes, wing dykes, or wing dams) are often constructed nearly perpendicular to the riverbanks, beginning at a riverbank with a root and ending at the regulation line with a head.
The foreskin (also known as the prepuce) is a portion of skin on the penis that covers and protects the tip of the penis, also known as the glans. It can be a tough world for a glans -- there's abrasion from undergarments, cold winter weather and dry air.
Itâs full of nerve endings and can supply extra sexual sensation for people with penises because of those nerve endings and its gliding movement. The foreskin also produces and distributes its own lubrication, smegma, an accumulation of shed skin cells, skin oils and other moisture.