What is the meaning of Tinkle?

To make light metallic sounds, rather like a very small bell.

To cause to tinkle.

To indicate, signal, etc. by tinkling.

To hear, or resound with, a small, sharp sound.

To urinate.

A light metallic sound, resembling the tinkling of bells or wind chimes.

A telephone call.

An act of urination.

Urine. (Can we add an example for this sense?)

Source: wiktionary.org