ni-√ 1. drā (or √ drai) P. Ā. -drāyati, °te (-drāti, [Śāntiś.]; pf. -dadrau, [Naiṣ.]), to fall asleep, sleep, slumber, [ŚBr.]; [MBh.]; [Kāv.] &c.
ni-°drā́ f. sleep, slumber, sleepiness, sloth, [RV.]; [MBh.]; [Kāv.] &c.
the budding state of a flower (hence °drāṃ-√ tyaj, to bloom), [ŚārṅgP.]
a mystic. N. of the letter bh, [Up.]