Internet service provider (ISP)

Definition from Nolo’s Plain-English Law Dictionary

A business that provides access to the Internet. An ISP may also offer services such as website hosting. An ISP can sometimes be held accountable for copyright violations for material posted by subscribers and users, but is often protected by the Digital Millennium Copyright Act. The Communications Decency Act usually protects ISPs from the posting of obscenities or defamation by subscribers or users.

Definition provided by Nolo’s Plain-English Law Dictionary.