What is the meaning of -ário?

forms adjectives, from nouns, meaning “of or related to the suffixed nouns”

forms nouns, from nouns, denoting a collection of the suffixed noun

forms nouns, from nouns, denoting a place where the suffixed noun is kept

forms nouns, from nouns, denoting someone who works at or with the suffixed noun; -er; -eer

forms nouns, from nouns, denoting an instrument used to measure the suffixed noun

Source: wiktionary.org