What is the meaning of Wireless?

Not having any wires.

Of or relating to communication without a wired connection, such as by radio waves.

The medium of radio communication.

Wireless connectivity to a computer network.

A radio set.

To send a message by wireless (by radio)

wireless (transmission without wires)

wireless

wireless, radio

wireless (wireless connectivity to a computer network)

wireless (communicating without wired connections)

Source: wiktionary.org