bee killer is a noun meaning "swift predatory fly having a strong body like a bee with the proboscis hardened for sucking juices of other insects captured on the wing". It carries one recorded sense.
swift predatory fly having a strong body like a bee with the proboscis hardened for sucking juices of other insects captured on the wing
Definitions, synonyms and semantic relations for bee killer come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.