What is the meaning of Online?

Of a system: connected (generally electrically) to a larger network.

  1. Of a generator or power plant: connected to the grid.
  2. Of a computer: actively connected to the Internet or to some other communications service.

    Of a generator or power plant: connected to the grid.

    Of a computer: actively connected to the Internet or to some other communications service.

    Available over, or delivered from, the Internet.

    Connected to the Internet.

    Available on a computer system, even if not networked.

    Of a system: active, particularly building facilities (such as power) or a factory or power plant.

    Immersed in Internet culture. (Usually modified by an intensifier such as extremely or terminally)

    While online; while in a running or active state, or connected to the Internet.

    To bring (a system, etc.) online; to promote to an active or running state.

    online (on, via or connected to the Internet or another network)

    online (on, via, connected or related to the Internet or another network)

    online; used also as modifier in compound terms, often with a hyphen and as uninflected attribute

    online

    online

    online

    online

    online (available over the Internet)

    online (performed over Internet)

    online (Internet-connected mode of operation)

    online (connected to the Internet)

    online (which takes place over the Internet)

    online

    online.

    online

    Source: wiktionary.org