Term: retention basin: a storage site similar to a detention basin but the water in storage is permanently obstructed from flowing downstream
Candidate hypernym: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) → 1
Candidate hypernym: stemless hymenoxys: perennial having tufted basal leaves and short leafless stalks each bearing a solitary yellow flower head; dry hillsides and plains of west central North America → 0
Candidate hypernym: parr: a young salmon up to 2 years old → 0
Candidate hypernym: mechanist: a philosopher who subscribes to the doctrine of mechanism → 0
Candidate hypernym: scentless camomile: ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria → 0
Candidate hypernym: surface search radar: a naval radar to search for surface targets → 0
Candidate hypernym: ancylidae: freshwater gastropod → 0
Candidate hypernym: carpenter bee: large solitary bee that lays eggs in tunnels bored into wood or plant stems → 0
Candidate hypernym: greater swiss mountain dog: the largest of the four Swiss breeds → 0
Candidate hypernym: datura: thorn apple → 0
Candidate hypernym: ring girl: a young woman who holds up cards indicating the number of the next round at prize fights → 0