Answer: connector

AnswerCrossword Clue
CONNECTORRailroad coupling.
CONNECTORChild vis-a-vis numbered dots
CONNECTORLink
connectorA short road or highway that connects two longer roads or highways
connectorA thing that links two or more things together
connectorA device for keeping two parts of an electric circuit in contact
connectorsomething that connects also CONNECTER