What is the meaning of ă?

A dictionary transcription for the TRAP vowel

The second letter of the Jarai alphabet, written in the Latin script.

and

Letter used for transcription of Bulgarian letter Ъ / ъ.

A letter of the Tuareg alphabet, written in the Latin script.

The second letter of the 1927 – 1972 Malay alphabet, written in Latin script.

The second letter of the Romanian alphabet, called ă and written in the Latin script.

The second letter of the Vietnamese alphabet, called á and written in the Latin script.

Source: wiktionary.org