1. A small (about 1 ounce) bar measure, which is sometimes also used to serve liqueurs. 2. The term also refers to the amount of liquid such a glass holds (usually 1 ounce), as in a pony of whiskey. See also shot; jigger.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.