Seitenarmen
Seitenarmen is a German plural noun literally meaning "side arms" or "lateral arms." It is used in several technical and everyday contexts to denote subsidiary or branching elements that extend from a main body or channel.
In fluvial geomorphology and hydrology, Seitenarmen refers to side channels or secondary branches of a river
In anatomy and biology, the term can describe lateral branches of vessels, nerves, or structural appendages
In engineering, transportation, and architecture, Seitenarmen denotes auxiliary arms, branches, or offshoots of a main structure—examples
The specific meaning of Seitenarmen depends on context, but across fields the term consistently implies a subsidiary