ETYM Latin cliens, -emtis, for cluens, one who hears (in relation to his protector), a client, from Latin cluere to be named or called; akin to Greek akouein to hear, Skr. çry, and Eng. loud: cf. French client. Related to Loud.
A person who seeks the advice of a lawyer.

An individual user workstation that represents the front endof a DBMS — the part that displays information on a screen and responds to user input.
In the client/server model of communications, the client is a process that remotely accesses resources of a compute server, such as a compute power and large memory capacity.
1. In object-oriented programming, a member of a class (group) that uses the services of another class to which it is not related. See also inheritance (definition 1).
2. A process, such as a program or task, that requests a service provided by another program—for example, a word processor that calls on a sort routine built into another program. The client process uses the requested service without having to “know” any working details about the other program or the service itself. Compare child (definition 1), descendant (definition 2).
3. On a local area network or the Internet, a computer that accesses shared network resources provided by another computer (called a server). See also client/server architecture, server.