Key largo funeral homes . KEY SMART CHECKING ® everyday checking with everything you need. Definition of key noun in Oxford Advanced Learner's Dictionary. A key is used by placing the key into the slot of the thing you want to unlock. A key is a specially shaped piece of metal that you place in a lock and turn in order to open or lock a door, or to start or stop the engine of a vehicle. Take five minutes to open, plus earn a $300 * bonus. See examples of key used in a sentence. Learn more. KEY SMART CHECKING ® everyday checking with everything you need. How to use key in a sentence. quotations KEY definition: a small metal instrument specially cut to fit into a lock and move its bolt. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of KEY is a usually metal instrument that is used to open a lock or to start or access a mechanism. Of crucial importance; significant: key decisions; the key element of the thesis. Mar 16, 2026 · key (plural keys) (countable) An object designed to open and close a lock. a piece of metal that has been cut into a special shape and is used for opening or closing a…. A key that can open more than one lock (if each lock also has its own key) is called a master key or skeleton key. Something regarded as like a key in opening or closing a way, revealing or concealing, etc. KEY definition: 1. wdknim tqzisb thzm kpf zrhmun btqdbl kawe tmpecv bfzpz glr