connection

noun16

1. •
   The point at which two or more things are connected.

   • the leak formed at the connection of the pipe and the boiler
2. •
   a relationship between two or more things, such as something they have in common
3. •
   A relationship or association.
4. •
   A causal relationship between two phenomena; cause and effect.

   • My headache has no connection with me going out last night.
5. •
   A relationship between people or groups of people.

   • These two seemed to have a closer relationship than I knew. What's their connection? — 2020
6. •
   A physical link between two things or places.

   • the isthmus of Panama is the connection between North and South America
7. •
   An established communications or transportation link.

   • computers linked by a network connection
   • I was talking to him, but there was lightning and we lost the connection.
8. •
   A person or persons related to oneself, through either family or business.

   • I have some connections in Lancashire.
9. •
   [usually plural] An acquaintance who is useful in a particular scenario, especially in a corrupt or criminal way.

   • I have connections in the local committee. I shall bring them to bear, as long as the Council does not find fault! — 1934
10. •
    (slang) A drug dealer.

    • Now the final study was the drug habit. He was now in New Orleans, slipping along the streets with shady characters and haunting connection bars. — 1957
11. •
    A feeling of mutual understanding and ease of communication between two or more people.

    • As we were the only people in the room to laugh at the joke, I felt a connection between us.
12. •
    The act of connecting.

    • Forster employs personal relations to emphasize the importance of connection and mutual understanding — 2005
13. •
    A transfer from one transportation vehicle to another in scheduled transportation service.

    • The bus was late so he missed his connection at Penn Station and had to wait six hours for the next train.
14. •
    Coherence; lack of disjointedness.
15. •
    (euphemistic) Sexual intercourse.

    • The exact nature of the relations between the boy-wife and his protector are doubtful; they certainly have connection, but the natives repudiate with horror and disgust the idea of sodomy. — 1927
16. •
    A set of sets that contains the empty set, all one-element sets for any element that is included in any of the sets, and the union of any group of sets that are elements where the intersections of those sets is non-empty.