リュウイキ
Meanings
Noun
1. drainage basin; catchment basin; river basin; watershed; valley
Pitch accent
リュ
ウイキ
Composed of
way; manner; school (e.g. of flower arrangement); class; rate; flow
region; limits; stage; level
Used in vocabulary (2 in total)
lower reaches (e.g. of a valley); downstream sector
river basin management; river basin flood control; river flood risk reduction