Definitions
1.verbTo fit (a lock) with a key.
2.verbTo fit (pieces of a mechanical assembly) with a key to maintain the orientation between them.
3.verbTo mark or indicate with a symbol indicating membership in a class.
4.verb(telegraphy and radio telegraphy) To depress (a telegraph key).
5.verbTo operate (the transmitter switch of a two-way radio).
6.verb(more usually to key in) To enter (information) by typing on a keyboard or keypad."Our instructor told us to key in our user IDs."
7.verbTo vandalize (a car, etc.) by scratching with an implement such as a key."He keyed the car that had taken his parking spot."
8.verbTo link (as one might do with a key or legend).
9.verbTo be identified as a certain taxon when using a key.
10.verbTo modify (an advertisement) so as to target a particular group or demographic.
11.verbTo attune to; to set at; to pitch.
12.verbTo fasten or secure firmly; to fasten or tighten with keys or wedges.
13.nounIn the sociology of Erving Goffman, an action or utterance that signals the meaning of interaction to participants.
14.nounThe input of text or data by means of a keyboard.
15.nounA form of vandalism performed by scratching paint with a key