• Bengali Word রব ১ English definition (noun) 1 (of birds) song; singing. 2 hum; humming. 3 sound; clamour; noise; outcry; hue and cry. 4 rumour. 5 response. রব উঠেছে A rumour is in the air; Rumour has it; There is a rumour that. রব করা (verb transitive) make a noise; sing; hum; cry; cry aloud; make a sound. রব রবা (noun) hey day.