Used attributively to modify a noun, indicating location on or facing a sidewalk
Translations
We slipped in through the sidewalk-side door to avoid the busy street.
Мы проскользнули через тротуарную дверь, чтобы избежать оживлённой улицы.
Definitions
Facing, situated on, or relating to the side that borders the sidewalk. We slipped in through the sidewalk-side door to avoid the busy street.