test bed is a noun meaning "a place equipped with instruments for testing (e.g. engines or machinery or computer programs etc.) under working conditions". It carries one recorded sense.
a place equipped with instruments for testing (e.g. engines or machinery or computer programs etc.) under working conditions
Definitions, synonyms and semantic relations for test bed come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.