The "mother ship" of the spacecraft that carried astronauts to the Moon in the Apollo missions.

(Britain, transport) A special bus service which replaces a train service when engineering work is carried out, or when the train service is temporarily suspended for other reasons such as flooding, track damage etc.

plural of special service requirement

(UK, transport) Synonym of bus replacement service.

Exceptional customer service.

(logistics) a premium delivery service, especially for items that require extra care due to their size, value or fragility.

(formal) MI6

(telecommunications) A company that provides internet access.

plural of internet service provider

(mobile communication) A packet-oriented mobile data service available to users of Global System for Mobile Communications (GSM) and IS-136 mobile phones. It provides data rates from 56 up to 114 kilobits per second.