About: retention pond

Premodifier: retention
Head noun: pond

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

Broader concepts

label	provenance	confidence
feature	isap:10821001	0.702612
body of water	isap:173594203	0.691628
structure	isap:290817919	0.511391
area	isap:173513528	0.493003
land	isap:172821230	0.381126

Narrower concepts

label	provenance	confidence
stormwater	isap:507107418	0.364028
leaf	isap:170918465	0.175174