Seal

**Seal** or **SEAL** may refer to articles connected to a variety of meanings:

## A marine mammal

- a **pinniped**, a large ocean mammal. There are three main groups:
    - Earless seals (or true seals)
    - Eared seals (or walking seals)
    - Walrus
- Seal hunting, both personal and commercial hunting of seals
- Seal brown is a rich dark brown color _RGB(50, 20, 20)_ (from the colour of dyed Fur seal fur)

## Fixing or closing to give a tight fit

- Seal (mechanical), a device to contain pressure.
- Diaphragm seal, a flexible membrane that seals and isolates an enclosure

## Symbol of authentication

- Seal (device), a device used to produce an official stamp as a symbol of authority, or the impression left by a seal in sealing wax. (Origin: Latin _sigillum_ = "small symbol", a diminutive of _signum_)
- Cylinder seal, cylinder engraved with a _picture story_, used in ancient times to roll an impression onto a sheet of wet clay
- Great Seal of the United States used since 1782 to authenticate some documents issued by the United States government
- Great Seal of the Realm, a British institution for authorising the monarch's official documents a personal signature
- Great Seal of Scotland allows the monarch to authorise documents without signing
- Imperial Seal of Japan, called 菊の御紋 in Japanese, meaning "Noble Symbol of Chrysanthemum"
- Lord Privy Seal or _Lord Keeper of the Privy Seal_ is one of the traditional sinecure offices of state in the United Kingdom
- Knights Templar Seal used to validate documents approved by the order
- Seal of Solomon, a legendary magical signet ring said to have belonged to King Solomon
- LMLK seal, stamped on handles of large storage jars around Jerusalem about 700 BC
- Nintendo Seal of Quality is a gold seal used by Nintendo to show that a game is properly licensed to run on their game consoles

## As a person's name

- Barry Seal (Adler Berriman Seal), pilot and drug smuggler turned DEA informant
- Brajendra Nath Seal (born 1864), Indian philosopher of the Brahmo Samaj, Vice Chancellor of Visva Bharati University
- David Seal (born 1972), an Australian football (soccer) player
- Jaynie Seal (born 1973), an Australian television presenter
- Lou Seal (Luigi Francisco Seal, Jr.), the official mascot of the San Francisco Giants team in Major League Baseball
- Manuel Seal, a staff songwriter and producer at Jermaine Dupri's _So So Def Recordings_
- Pu Tong Seal (1346 AD), legendary Burmese hero
- Seal (musician) (Henry Olusegun Olumide Adeola Samuel), an Afro-European soul singer who has released three albums named "Seal":
    - _Seal_ (1991 album)
    - _Seal_ (1994 album)
    - _Seal_ (2003 album)

## As a place name

Some of these names referred originally to the marine mammal.
- Seal Bay Conservation Park, on Kangaroo Island, South Australia
- Seal Beach, a city in Orange County, California, United States of America
    - Naval Weapons Station Seal Beach, a United States Navy weapons and munitions loading, storage and maintenance facility in Seal Beach, California
- Seal Island, a small islet about 5.7 km off the northern beaches of False Bay near Cape Town in South Africa
- Seal Island (South Shetland Islands), a group of small islands and rocks lying 3 to 6 miles northwest of Elephant Island in the South Shetland Islands
- Machias Seal Island at  under disputed sovereignty between the United States and Canada
- Seal Island Bridge, an arch truss bridge crossing the Great Bras d'Or channel in Victoria County, Cape Breton Island, Nova Scotia
- Seal Rock, a prominent rock offshore at the North end of Ocean Beach, San Francisco, United States
- Seal Rocks, a small settlement in New South Wales, Australia
- Seal, Kent, a village in Kent, England. (Origin: probably Anglo-Saxon _sēale_ = "copse of sallow-trees")
- Seals, Georgia

## As an acronym

- United States Navy SEALs, special forces of the United States Navy. (Origin: acronym from "SEa, Air, Land")
    - Advanced SEAL Delivery System, a midget submarine providing stealthy submerged transportation for special forces, primarily U.S. Navy SEALs
    - SEAL Recon Rifle, rifle developed to provide SEAL snipers with a portable, lightweight system with greater lethality
- Semantics-directed Environment Adaptation Language, a computer programming language
- SEAL (cipher), (Software-Optimized Encryption Algorithm), a fast cryptographic cipher
- Safety Evidence Assurance Level, US government
- SEAL (Computer Language), the Semantics-directed Environment Adaptation Language
- SEAL (Sea Scout Leadership Training), a leadership training course for Sea Scouts youth in the Boy Scouts of America
- Software Engineering and Ada Lab, NASA

## Ships

- HMS _Seal_ (N37), a submarine of the Royal Navy
- USS _Seal_ has been used as the name of two submarines of the United States Navy
- Red seal ships (朱印船), Japanese armed merchant sailing ships with a red-sealed patent (early 17th century)

## In computers

- SEAL GUI, an open source Graphical User Interface for DOS