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 译员圣强,国际仲裁与争端解决专业,专注翻译各种与跨境争议有关的法律文件。