English

Noun

1. Plural of key

Verb

1. third-person singular of key

• Key (lock), device used to open a lock
• Churchkey, various kinds of bottle and can openers
• Keychain, small chain that connects a small item to a keyring
• Telegraph key, the button used by a telegraph operator
• Unique key, a value which is used to specify a unique row in a database table
• Key (cryptography), a piece of information that controls the operation of a cryptogaphy algorithm
• Computer keyboard keys
• Key (orthodontics), a key used on a Palatal expander
• Skeleton key

• Key (instrument)—musical instruments have keys for tuning and keys for playing
• Key (music), a set of notes
• Key signature, in musical notation(s)
• Clef, the symbol that assigns note names to the lines and spaces of the musical staff

• Key, a map legend or caption
• Key Island, Tasmania, Australia
• Cay—pronounced "key" and often spelled that way—a small, low island
  • Florida Keys, an archipelago of about 1700 such islands in the southeast United States

• Key frame, a frame made by an animator from which other frames are derived
• Key light, the primary light source that illuminates an image or scene
• Key plate, a plate which prints the detail in an image, often using the color black
• Black, in the CMYK color model

• Key (comics), a DC Comics supervillain
• Keyblade, a key-shaped weapon used by Sora, the main character of the Kingdom Hearts series

• Keyword (linguistics), word which occurs in a text more often than we would expect to occur by chance alone
• Keywords: A Vocabulary of Culture and Society, book written by the Welsh Marxist academic Raymond Williams
• The Keys to the Kingdom, a fantasy-adventure book series
• The Key (novel) is the third and final novel in Marianne Curley's Guardians of Time trilogy

• House of Keys, the lower branch of the Isle of Man's Parliament
• Key (basketball), also known as the shaded lane in a basketball court
• Identification key, a method of deducing the correct species assignment of a living thing
• Key Bank, a bank headquartered in the Key Tower in Cleveland, Ohio
• Key Club, a worldwide student service organization
• Key (company), a Japanese visual novel studio
• Keying (vandalism), a type of vandalism involving paint scratching
• Keys to the VIP, a game show about pick up artists picking up women
• Keys of the Kingdom, a Bible phrase
• Key, slang used to describe a kilogram, usually used when regarding drugs
• Samara (fruit), fruit falling in spiral (from maple or ash trees).
• Keying (graphics), best known as Chroma keying, AKA Green-screen/Blue-screen.
• KeY, a software verification tool.
• Key the Metal Idol, an anime OVA series produced by Studio Pierrot.

See also

• Cay
• Quay