What is the German term for 'bush'?

The German term for 'bush' is indeed "Buchse." In this context, "Buchse" refers to a cylindrical container or socket, which is commonly used in technical terminology as well as in mechanics. It is essential to understand that the term might also have different meanings based on the context, as it can refer to fittings or insertions in various technical fields.

To provide context for the other options: "Massekabel" translates to "ground cable," a term used in electrical engineering contexts. "Bolzen" means "bolt," which is a fastening element. "Blase" translates to "blister" or "bubble," which doesn’t relate to the technical concept of 'bush' at all. Therefore, "Buchse" is the most appropriate term when referring to 'bush' in a technical or mechanical context.