say it: GRAY-tur
greater is an adjective meaning "greater in size or importance or degree". It carries one recorded sense.
greater in size or importance or degree
“for the greater good of the community”
“the greater Antilles”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for greater come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.