The meaning of Demo

noun

A demonstration of a product or technique.

Usage examples:

A cookery demo

noun

A public meeting or march protesting against something or expressing views on a political issue.

Usage examples:

A peace demo

verb

Record (a song or piece of music) to demonstrate the capabilities of a musical group or performer or as preparation for a full recording.

Usage examples:

They've already demoed twelve new songs

verb

Demonstrate the capabilities of (software or another product).

Usage examples:

Apple is expected to demo the newest version of its mobile operating system at the conference next …

noun

Short for demographic.

Usage examples:

Both channels managed to maintain ratings among young male demos

noun

Short form of demonstration

Usage examples:

I saw several interesting demos at the trade show last week.

noun

A sample (= part) of a product, especially software, that you allow people to try, to encourage them to buy the complete product

Usage examples:

Download the latest game demos for free., freeware and demo programs, there were live demos of the …