Grammar. 1  Also called objective case. (in English and some other languages) a case specialized for the use of a form as the object of a transitive verb or of a preposition, as him in The boy hit him, or me in He comes to me with his troubles. 2  a word in that case.
pinning-a mutual promise of a couple not to date anyone else; on college campuses it was once signaled by the giving of a fraternity pin. promise-a verbal commitment by one person to another agreeing to do (or not to do) something in the future.
The decision to treat femoral neck fractures with pinning or with arthroplasty is controversial. The advantages of pinning include less invasive surgery, less blood loss, and less postoperative morbidity. However, treatment by pinning carries a higher risk of more surgery in the future.