rock of gibraltar is a noun meaning "location of a colony of the United Kingdom on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules". It carries one recorded sense.
location of a colony of the United Kingdom on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules
Definitions, synonyms and semantic relations for rock of gibraltar come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.