dead metaphor is a noun meaning "a metaphor that has occurred so often that it has become a new meaning of the expression (e.g., `he is a snake' may once have been a metaphor but after years of use it has died and become a new sense of the word `snake')". It carries one recorded sense.
a metaphor that has occurred so often that it has become a new meaning of the expression (e.g., `he is a snake' may once have been a metaphor but after years of use it has died and become a new sense of the word `snake')
Definitions, synonyms and semantic relations for dead metaphor come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.