Real Dictionary

checklist
countable noun: A checklist is a list of all the things that you need to do, information that you want to find out, or things that you need to take somewhere, which you make in order to ensure that you do not forget anything.

checklist in American English
a list of things, names, etc. to be checked off or referred to for verifying, comparing, ordering, etc.
intransitive verb: to enter items on a checklist
noun: a list of items, as names or tasks, for comparison, verification, or other checking purposes
transitive verb: to enter (an item) on a checklist

checklist in British English
noun: a list of items, facts, names, etc, to be checked or referred to for comparison, identification, or verification