What is the meaning of Creamer?

A jug for holding cream.

A separator for removing cream from milk to leave skimmed milk.

A nondairy product that adds a creamy texture to coffee.

A small thimble-sized or stick-shaped container of milk or cream, used as a standard individual "cream" or "milk" portion, typically provided by restaurants for cups of tea or coffee. In recent decades usually a disposable plastic container; in the mid-20th century often a tiny porcelain pitcher.

Source: wiktionary.org