Definitions
1.verbTo shape metal by striking it, especially with a peen.
2.verb(often followed by a preposition such as "to" or "on") To fasten or attach (something) with a pin.
3.verb(usually in the passive) To cause (a piece) to be in a pin.
4.verbTo pin down (someone).
5.verbTo enclose; to confine; to pen; to pound.
6.verbTo attach (an icon, application, etc.) to another item."to pin a window to the Taskbar"
7.verbTo fix (an array in memory, a security certificate, etc.) so that it cannot be modified."When marshaling data, the interop marshaler can copy or pin the data being marshaled."
8.verbTo cause an analog gauge to reach the stop pin at the high end of the range.
9.adjectiveHaving (a specified kind or number of) pins."a three-pinned arch"