computer meaning
EN
[kəmˈpjuːtə] [kəmˈpjutɚ] [-uːtə(r)] 
UK US WComputer
- A computer is a general-purpose device that can be programmed to carry out a set of arithmetic or logical operations automatically. Since a sequence of operations can be readily changed, the computer can solve more than one kind of problem.
- Conventionally, a computer consists of at least one processing element, typically a central processing unit (CPU), and some form of memory.
- Mechanical analog computers started appearing in first century and were later used in the medieval era for astronomical calculations. In World War II, mechanical analog computers were used for specialized military applications.
FR computer 
- NounPLcomputersPREcom-SUF-er
- (now rare, chiefly historical) A person employed to perform computations; one who computes.
- by restriction, a male computer, where the female computer is called a computress.
- A programmable electronic device that performs mathematical calculations and logical operations, especially one that can process, store and retrieve large amounts of data very quickly; now especially, a small one for personal or home use employed for manipulating text or graphics, accessing the Internet, or playing games or media.
- (now rare, chiefly historical) A person employed to perform computations; one who computes.
- More Examples
- Used in the Middle of Sentence
- I had to back out the changes made to the computer when it became apparent that they had stopped it working properly.
- My computer redetects my mouse and keyboard each time I plug them in.
- Classical computers cannot sort a list of size in less than time
- Used in the Beginning of Sentence
- Computer heads and internet lovers will enjoy this article.
- Computer programs should deallocate memory they no longer need, releasing it back to the system.
- Used in the Ending of Sentence
- I think it is overstating matters to say that an hour online is spending all night on the computer.
- Watchman replaced him in the linkup seat. He jacked himself into the computer.
- He twiddled his thumbs for almost a week while he waited for somebody to set up his computer.
- Used in the Middle of Sentence
Definition of computer in English Dictionary
- Part-of-Speech Hierarchy
- Morphemes
- Suffixes
- Words by suffix
- Words suffixed with -er
- Words suffixed with -er
- Words by suffix
- Suffixes
- Nouns
- Countable nouns
- Countable nouns
- Morphemes
- fr computer
- en computers
- en computerization
- en computery
- fr computera
Source: Wiktionary
Grammatically, this word "computer" is a morpheme, more specifically, a suffixe. It's also a noun, more specifically, a countable noun.