Klingon Word of the Day for Saturday, April 20, 2013 Klingon word: tlhIghaq Part of speech: noun Definition: trigak - A predatory animal with sharp teeth that it bares before it attacks. Source: IKS Gorkon trilogy: Book Two: Honor Bound. This Klingon Word of the Day is brought to you by qurgh (qurgh at wizage.net).