key to
Definition of key to
chiefly US
1 : to make (something) suitable for (a particular use or type of person) I try to key my lectures to my audience. —often used as (be) keyed to The educational program is keyed to the needs of working women.
2 : to change (something) in a way that is closely related to (something else) —usually used as (be) keyed to The amount of money they receive is keyed to the rate of inflation.
From the M-W Editors
Word by Word Definitions
: a usually metal instrument by which the bolt of a lock is turned
: any of various devices having the form or function of such a key
: a means of gaining or preventing entrance, possession, or control
: extremely or crucially important
: to lock or secure with or as if with a key : fasten: such as
: to secure (something, as a pulley on a shaft) by a key
: to finish off (an arch) by inserting a keystone
: a low island or reef
: any of the coral islets off the southern coast of Florida
: a kilogram especially of marijuana or heroin
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