Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
olive-sized is an adjective meaning "about the size of an olive". It carries one recorded sense.
about the size of an olive
Definitions, synonyms and semantic relations for olive-sized come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.