to receive and entertain guests or to provide the place for an event
We hosted a barbecue for our neighbors last weekend.
The museum will host an exhibition of ancient artifacts.
✦ From Old French hoste, same root as noun sense.
(computing) to keep and run a website, app, or other digital service on a server
The company hosts thousands of websites on its servers.
They host their code repository on a private server.
✦ Extension of general verb sense to computing in late 20th century.
to suddenly stop communicating with someone, especially online or by phone, without giving any explanation
After their third date, he ghosted her and never replied to a single text.
She felt hurt when her best friend suddenly ghosted her on social media.
✦ Originally U.S. slang from the early 2000s, likening disappearing from communication to a ghost vanishing.