#1 jigger n. [shot glass, pony] a small glass adequate to hold a single swallow of whiskey. wn
#2 jigger n. [jiggermast] any small mast on a sailing vessel; especially the mizzenmast of a yawl. wn
#3 jigger n. [harvest mite, chigger, redbug] larval mite that sucks the blood of vertebrates including human beings causing intense irritation. wn
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