"Pinned" is the past tense and past participle form of the verb "to pin," and it is also used as an adjective. The term carries several distinct, established meanings across different domains, including physical fastening, sports (particularly chess and wrestling), computing, and social media.
General Definition
In its most basic sense, "pinned" means fastened, secured, held in place, or trapped with a pin or a similar force. As a verb form, it refers to the action of affixing one object to another using a pin, or otherwise restraining something in a fixed position. According to dictionary sources such as Cambridge Dictionary and Merriam-Webster, "pinned" is defined simply as the past simple and past participle of "pin," meaning to fasten things together or to hold something in place.
Chess
In chess, a "pinned" piece refers to a piece that cannot legally or advantageously move because doing so would expose a more valuable piece—typically the king or queen—behind it to attack. The attacking piece (a bishop, rook, or queen) creates the pin by lining up on the same rank, file, or diagonal as two opposing pieces. There are two primary types of pins:
- Absolute pin: The pinned piece cannot legally move because doing so would expose the king to check.
- Relative pin: The pinned piece may move legally but should not, because moving it would expose a valuable non-royal piece to capture.
The concept of the pin is a fundamental tactic in chess strategy, used to restrict an opponent's pieces and create opportunities for further attacks.
Amateur Wrestling
In wrestling, a pin (also called a fall) is a victory condition met by holding an opponent's shoulders or scapulae (shoulder blades) on the wrestling mat for a prescribed period of time. When a wrestler is "pinned," the match ends immediately, regardless of the score. The required duration varies by ruleset: in American collegiate wrestling a pin must be held for one second, while in scholastic/folkstyle wrestling it must be held for two seconds. In Greco-Roman and freestyle wrestling, the fall is confirmed when the referee, judge, or mat chairman observes total control of the fall.
Computing
In computing, particularly in Microsoft Windows (beginning with Windows 7), "pinned" refers to placing a shortcut or program icon on the taskbar or Start menu for quick access. A "pinned" application remains fixed in a prominent position regardless of which programs are opened or closed, allowing users to launch frequently used programs quickly. The term also appears in other contexts, such as pinning files or folders for easy access.
Social Media
On social media platforms such as Twitter/X, Facebook, Instagram, and others, a "pinned" post is a specific post, tweet, or comment that a user has fixed to the top of their profile, page, or feed. This keeps the pinned content permanently displayed in a prominent position at the top, regardless of when it was published, so it is the first thing visitors see. Brands, creators, and users commonly use pinned posts to highlight important announcements, promotions, or introductory content.
Conclusion
"Pinned" is a widely recognized term with multiple established meanings across diverse fields. Its most literal sense involves physical fastening or restraint, but the term has also acquired specialized meanings in chess (restricted pieces), wrestling (a decisive victory condition), computing (programs fixed to a taskbar), and social media (posts fixed to the top of a profile). All of these usages share the common underlying concept of something being held fixed in place.
