An object designed to open and close a lock.
An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain their relative orientation.
A crucial step or requirement.
A guide explaining the symbols or terminology of a map or chart; a legend.
A guide to the correct answers of a worksheet or test.
One of several small, usually square buttons on a typewriter or computer keyboard, mostly corresponding to text characters.
One of a number of rectangular moving parts on a piano or musical keyboard, each causing a particular sound or note to be produced.
One of various levers on a musical instrument used to select notes, such as a lever opening a hole on a woodwind.
A hierarchical scale of musical notes on which a composition is based.
The general pitch or tone of a sentence or utterance.
An indehiscent, one-seeded fruit furnished with a wing, such as the fruit of the ash and maple; a samara.
A manual electrical switching device primarily used for the transmission of Morse code.
A piece of information (e.g. a passphrase) used to encode or decode a message or messages.
A password restricting access to an IRC channel.
In a relational database, a field used as an index into another table (not necessarily unique).
A value that uniquely identifies an entry in a container.
The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of a skeleton key hole.
A series of discriminating information which aims to allow the user to correctly identify a taxon.
A piece of wood used as a wedge.
The last board of a floor when laid down.
A keystone.
That part of the plastering which is forced through between the laths and holds the rest in place.
A wooden support for a rail on the bullhead rail system.
The degree of roughness, or retention ability of a surface to have applied a liquid such as paint, or glue.
The thirty-third card of the Lenormand deck.
The black ink layer, especially in relation to the three color layers of cyan, magenta, and yellow. See also CMYK.
A color to be masked or made transparent.
.NET 2003 Developer’s Cookbook (page 195)
One of a string of small islands.
though this is more commonly shortened to kay.
Indispensable, supremely important.
Important, salient.
To fit (a lock) with a key.
To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them.
To mark or indicate with a symbol indicating membership in a class.
To depress (a telegraph key).
To operate (the transmitter switch of a two-way radio).
(more usually to key in) To enter (information) by typing on a keyboard or keypad.
To vandalize (a car, etc.) by scratching with an implement such as a key.
To link (as one might do with a key or legend).
To be identified as a certain taxon when using a key.
To fasten or secure firmly; to fasten or tighten with keys or wedges.
A contiguous area of land, smaller than a continent, totally surrounded by water.
An entity surrounded by other entities that are very different from itself.
A superstructure on an aircraft carrier’s deck.
A traffic island.
An unincorporated area wholly surrounded by one or more incorporated areas.
A phrase from which a wh-word cannot be extracted without yielding invalid grammar.
To surround with water; make into an island.
To set, dot (as if) with islands.
To isolate.