definition of
jigger

[1] #1 jigger n. [shot glass, pony] a small glass adequate to hold a single swallow of whiskey. wn

[2] #2 jigger n. [jiggermast] any small mast on a sailing vessel; especially the mizzenmast of a yawl. wn

[3] #3 jigger n. [harvest mite, chigger, redbug] larval mite that sucks the blood of vertebrates including human beings causing intense irritation. wn