• In software development, a subroutine in a software library or a computer program whose main purpose is to call a second subroutine or a system call with little or no additional computation. Wrapper functions are used to make writing computer programs easier by abstracting away the details of a subroutine’s underlying implementation. ← Wikipedia
• In web development, a name for a higher-level container, usually covering a major section of a document with many child elements.

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