one of the parts of something (such as a system or mixture) : an important piece of something. Source: Merriam-Webster's Learner's Dictionary. Examples: ...
A constituent element, as of a system. See Synonyms at element. 2. A part of a mechanical or electrical complex. 3. Mathematics One of a set of two or more ...
1 In programming and engineering disciplines a
a part or element of a larger whole, especially a part of...