Sentence:  The ǃ in the word <WSD>ǃKung</WSD> is an orthographic symbol denoting a "click" sound. The <WSD>ǃKung</WSD> language, aside from sharing many of the same sounds found in all languages, has four distinct clicks ... 
Meaning of the word marked with <WSD> tags:  A Khoisan language spoken in Namibia, Angola, and South Africa, famous for its click consonants.