Definition of raven-black:
(n) :
the sloped sides of a waterway acting as a barrier between the water and level ground to either side
"don't play on the riverbank - it is too slippery!"
Definition of raven-black:
(n) :
the sloped sides of a waterway acting as a barrier between the water and level ground to either side
"don't play on the riverbank - it is too slippery!"