sidecar
- 01 B2 Upper Intermediate
a small, one-wheeled seat attached to the side of a motorcycle for a passenger.
a one-wheeled vehicle or compartment attached to the side of a motorcycle to accommodate a passenger or cargo.
Simple“The old motorcycle had a sidecar so the dog could ride along with his owner.”
In context“Vintage enthusiasts often restore the motorcycle and sidecar as a single unit to maintain the aesthetic of mid-century touring vehicles.”
Synonymsattachmentpassenger car - 02 C2 Proficiency
a small program that runs next to a main application to help it work better, like a helper.
a design pattern where a secondary process or container runs alongside a primary application to provide supporting features like logging or security.
Simple“The developers added a sidecar to the application to handle all the security checks automatically.”
In context“By deploying a sidecar for service mesh integration, the engineering team decoupled the networking logic from the core business application code.”
UsageCommonly used in the context of microservices and container orchestration like Kubernetes.
Synonymshelper processproxy
From side + car.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.