1. (

• shot_glass ,
• jigger ,
• pony

) a small glass adequate to hold a single swallow of whiskey ;

2. (

• jiggermast ,
• jigger ,

) any small mast on a sailing vessel; especially the mizzenmast of a yawl ;

3. (

• harvest_mite ,
• chigger ,
• jigger ,
• redbug

) larval mite that sucks the blood of vertebrates including human beings causing intense irritation ;