bul: бездна

Information
has URI	http://lexvo.org/id/term/bul/%D0%B1%D0%B5%D0%B7%D0%B4%D0%BD%D0%B0

Meaning
means	(noun) a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively) abyss, abysm
means	(noun) a deep opening in the earth's surface chasm