What is the meaning of Lollipop?

An item of confectionery consisting of a piece of candy or sweet attached to a stick.

Something having the shape of a lollipop: a linear stem connected to a round body.

A sign on a stick held in front of the vehicle during a pit stop.

To prune the lower branches of a tree or other plant so that new growth appears only at the top, where more light is received.

Source: wiktionary.org