What is the meaning of Dating?

present participle and gerund of date

A form of romantic courtship typically between two individuals with the aim of assessing the other's suitability as a partner in an intimate relationship or as a spouse.

An estimation of the age of an artifact, biological vestige, linguistic usage, etc.

The setting of a date on which an event or transaction is to take place or take effect.

arrival; advent

impact; effect; appeal (power to attract or interest)

menstrual period

style; fashion

Source: wiktionary.org