noun ·1 syllable ·Rare ·Advanced level

Definitions

Noun

1. 1
   The Arabic letter ر.
2. 2
   A saline efflorescence that comes to the surface on the usar plains of northern India, particularly in Uttar Pradesh.

Etymology

From Hindi रेह (reh, “salt marsh”); compare Sanskrit रेणु (reṇu, “grain of salt, dust, powder”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.