A code used to identify a source of audio/video streaming, in order to show the stream in a website or software over the Web.

(databases) A key which is constituted by several fields.

(databases) A key constituted by several fields, including one which is not a superkey.

(computing, databases) In the design of a database table, a column (or an irreducible group of them) able to identify every row of the table. One of the candidate keys (abbreviated CKs) will be the primary key.

plural of key-fruit

(botany) A samara.

A key adapted to open only one of a set of locks; distinguished from a master key.

(electronics) A button, located along a display device, which performs whatever function is shown near it on the display.

(film, of lighting) Gently highlighting; low-key.

A can opener having a triangular tip that pierces the can. / Used other than figuratively or idiomatically: see church, key.