trackside adjective 1noun 1forms 1 adjective1 •Located to the side of a track, especially a racetrack or set of railroad tracks.This halt is notable for its very pretty trackside garden, which has won prizes in the Western Region station gardens competition. — 1954 noun1 •The area that borders a track.Habitat: Growing in shaded places in forests, along pathways and tracksides or along rivers and streams; altitudinal range 1 400-3 250 m. — 1980 formstracksides