ostrich instructionglossary / ostrich instruction Criminal procedure. Slang. An instruction stating that a defendant who deliberately avoided acquiring actual knowledge can be found to have acted knowingly. [Cases: Criminal Law 772(5). C.J.S. Criminal Law § 1312.] 词条贡献者 资深译员Barbara,毕业于国内顶尖的高级翻译学院,擅长翻译各类与兼并收购相关的法律文件。