Term: riverbed: a channel occupied (or formerly occupied) by a river
Candidate hypernym: bed: a depression forming the ground under a body of water → 1
Candidate hypernym: orientation course: a course introducing a new situation or environment → 0
Candidate hypernym: epigastrium: the region lying on or over the stomach (just below the sternum) → 0
Candidate hypernym: narcotic: a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction → 0
Candidate hypernym: ultraviolet lamp: any source of illumination that emits ultraviolet radiation → 0
Candidate hypernym: ringhals: highly venomous snake of southern Africa able to spit venom up to seven feet → 0
Candidate hypernym: ferrule: a metal cap or band placed on a wooden pole to prevent splitting → 0
Candidate hypernym: southwest by west: the compass point that is one point west of southwest → 0
Candidate hypernym: seeker: a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves) → 0
Candidate hypernym: explicitness: clarity as a consequence of being explicit → 0
Candidate hypernym: megakaryocyte: a large bone marrow cell; regarded as the source of blood platelets → 0