nadbaktu   (natbāku , nad(a)baktu ; )

[Humanities → Geography → Rivers]

1) a sluice ; 2) : (part of an irrigation system) ; 3) a waterfall , a ravine , a mountain gully ; 4) (worship) : pouring -in honour of a deity- / une libation ;

Cf. tabāku

See also : nadbāktu, tibku, natbāku