KEYED

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.

(telegraphy and radio telegraphy) 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.

Example: "Our instructor told us to key in our user ids."

To vandalize (a car, etc.) by scratching with an implement such as a key.

Example: "He keyed the car that had taken his parking spot."

To link (as one might do with a key or legend).

To be identified as a certain taxon when using a key.

To modify (an advertisement) so as to target a particular group or demographic.

To attune to; to set at; to pitch.

To fasten or secure firmly; to fasten or tighten with keys or wedges.