What is the meaning of Retroflex?

Bent or curved backwards.

Of pronunciation in which the tip of the tongue is raised and bent backwards, so that the underside of the tongue approaches or touches the palate.

Of pronunciation in which the tip of the tongue approaches or touches the back of the alveolar ridge.

Of pronunciation in which the blade of the tongue approaches or touches the back of the alveolar ridge.

Of any of the aforementioned pronunciations.

A consonant pronounced with the underside of the tongue approaching or touching the palate.

A consonant pronounced with the tip of the tongue approaching or touching the back of the alveolar ridge.

A consonant pronounced with the blade of the tongue approaching or touching the back of the alveolar ridge.

Any of the aforementioned consonants.

To bend or curve backwards.

retroflex

retroflex

retroflex consonant

Source: wiktionary.org