verbindingse
Verbindingse is not a standard standalone term in Dutch. In typical usage, it does not appear in dictionaries as an independent word. When encountered, it is usually part of longer compound nouns related to the idea of linking or joining, rather than a discrete concept with its own definition.
In practice, the form commonly appears as a fragment in compounds such as verbindingsstuk, verbindingspunt and
In a broader sense, the concept underlying verbindings- words is that of linkage, coupling, or interoperability
Orthography-wise, -se is a common suffix in several Dutch compound formations, but verbindingsse as an independent
See also: verbindingsstuk, verbindingspunt, verbindingsmiddel, verbindingselement.