Dirk/dɜːrk/ Definition 1 of 2Pro Tip 1/3Historic Weapon Dirk refers to a weapon from Scottish history, not a modern knife. The museum displayed a dirk used in the Battle of Culloden. Pro Tip 2/3Visual Imagery When reading 'dirk', imagine a soldier's long, slender dagger. Tales of brave warriors often mention the gleaming dirk at their side. Pro Tip 3/3Context Importance Use 'dirk' in historical or military contexts tied to Scotland. The historian spoke of the dirk's role in Scottish regiments.