Term: overhead projector: a projector operated by a speaker; projects the image over the speaker's head
Candidate hypernym: projector: an optical instrument that projects an enlarged image onto a screen → 1
Candidate hypernym: storm signal: a signal announcing the approach of a storm (particularly a storm of marked violence) → 0
Candidate hypernym: mycetophilidae: fungus gnats → 0
Candidate hypernym: clozapine: an antipsychotic drug (trade name Clozaril) used as a sedative and for treatment-resistant schizophrenia; know to have few side effects → 0
Candidate hypernym: highway system: a transportation system consisting of roads for motor transport → 0
Candidate hypernym: gig: a cluster of hooks (without barbs) that is drawn through a school of fish to hook their bodies; used when fish are not biting → 0
Candidate hypernym: first aid: emergency care given before regular medical aid can be obtained → 0
Candidate hypernym: selloff: a sale of a relatively large number of assets (stocks or bonds or commodities) at a low price typically done to dispose of them rather than as normal trade → 0
Candidate hypernym: fossilization: becoming inflexible or out of date → 0
Candidate hypernym: asynchronous operation: operations that occur without a regular or predictable time relation to other events → 0
Candidate hypernym: blattodea: cockroaches; in some classifications considered an order → 0