sidecar

[sahyd-kahr] /ˈsaɪdˌkɑr/
noun
1.
a small car attached on one side to a motorcycle and supported on the other side by a wheel of its own, used for a passenger, parcels, etc.
2.
a cocktail made with brandy, orange liqueur, and lemon juice.
Origin
1880-85; side1 + car1
British Dictionary definitions for sidecars

sidecar

/ˈsaɪdˌkɑː/
noun
1.
a small car attached on one side to a motorcycle, usually for one passenger, the other side being supported by a single wheel
2.
a cocktail containing brandy with equal parts of Cointreau and lemon juice