See log book for more log·bookBrE /ˈlɒɡbʊk/ 🔊NAmE /ˈlɔːɡbʊk/ 🔊, /ˈlɑːɡbʊk/ 🔊 noun(BrE, becoming old-fashioned) a document that records official details about a vehicle, especially a car, and its owner （交通工具，尤指小汽车的）行驶日志 ➡ compare registration (2) = log (2)