connector

US /kəˈnek.tɚ/
UK /kəˈnek.tɚ/
"connector" picture
1.

a device for joining two things together

:
Make sure the electrical connector is securely attached.
The network cable uses an RJ45 connector.
2.

a word or phrase that links clauses or sentences

:
Words like 'and', 'but', and 'or' are common connectors.
Using appropriate connectors improves sentence flow.