patch /pætʃ/ I. n. ［c］ 1. 补片，补丁: patch pocket 贴袋；have a patch at the knee 膝盖上有个补丁； a patch on the inner tube of a tyre 胎内管上的补丁 2. 斑，与周围不同部分：a white patch on the dog’s head 狗头上的一块白斑。 ‖II. vt.  补，修补：patch up worn-out clothes 缝补破衣；patch a pair of one’s trousers 补一条裤子