(mathematics) calculation of the value of a function between the values already known
a message (spoken or written) that is introduced or inserted; "with the help of his friend's interpolations his story was eventually told"; "with many insertions in the margins"
a whole individual unit; especially when included in a list or collection; "they reduced the price on many items"
a distinct part that can be specified separately in a group of things that could be enumerated on a list; "he noticed an item in the New York Times"; "she had several items on her shopping list"; "the main point on the agenda was taken up first"
(used when listing or enumerating items) also; "a length of chain, item a hook"-Philip Guedalla