Definition of client-side in US English:

client-side

adjective

  • 1Of, relating to, or dealing with customers or clients in a business relationship.

  • 2Computing. That is implemented, processed, or hosted on the client in a computer network; of or relating to the client in a computer network.

Origin

1960s; earliest use found in Printers' Ink. From client + side.

Pronunciation

client-side

/ˈklʌɪəntsʌɪd/