What is a slight sound such as that made by pressing the tongue against the roof of the mouth and explosively sucking out the air at one side, as in urging on a horse. -- v. i. To make a tchick called?

tchick — A slight sound such as that made by pressing the tongue against the roof of the mouth and explosively sucking out the air at one side, as in urging on a horse. -- v. i. To make a tchick. (Webster's 1913.)

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