英語での「buck」の定義と意味

a vaulting apparatus resembling a pommel-less horse, with one end elongated, used for gymnastic exercises

a frame or support used to hold wood or timber while it is being sawed

(of a horse) to leap or jump with its back arched, typically in an attempt to throw off a rider or in a show of resistance

to push or work toward achieving success or advancement

(of a vehicle) to move in an unsteady or jerky manner, often due to mechanical issues