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.
To fasten or secure with or as if with a pin or pins. 2. To transfix. 3. To place in a position of trusting dependence: He pinned his faith on an absurdity. 4. a. To hold fast; immobilize: He was pinned under the wreckage of the truck. b. Sports To win a fall from in wrestling.