What is the meaning of ?

A vowel of the Devanagari script. Its matra, used to modify the inherent vowel in a consonant is written . For example the first consonant क with the matra looks like: कु.

The fifth vowel in Dhivehi, written in Devanagari script

the fifth vowel in Hindi

The fifth vowel in Marathi.

The fifth vowel in Nepali.

Nonstandard form of (ū).

Source: wiktionary.org