About: drainage channel

Premodifier: drainage
Head noun: channel

Same concepts
http://dbpedia.org/resource/Drainage

Broader concepts

label	provenance	confidence
area	isap:75747199	0.634472
body of water	isap:76121941	0.599703
feature	isap:431000970	0.596623
watercourse	isap:64725392	0.560168

Narrower concepts

label	provenance	confidence
gutter	isap:441241239	0.385664
river	isap:226140267	0.379026
culvert	isap:437346276	0.279180
wetland	isap:436001227	0.150624