say it: KURB-sahyd
curbside is a noun meaning "the side of a sidewalk that is bordered by a curb". It carries one recorded sense.
the side of a sidewalk that is bordered by a curb
“policemen stood at intervals along the curbside”
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 curbside 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.