A double-ended vessel, generally of stainless steel or other metal, one end of which typically measures 1 1/2 fluid ounces, the other typically 1 fluid ounce.
User Defined Definitions
"a small glass adequate to hold a single swallow of whiskey"
"any small mast on a sailing vessel; especially the mizzenmast of a yawl"
"larval mite that sucks the blood of vertebrates including human beings causing intense irritation"