Jack Daniels. In a 1-oz. serving of Jack Daniels whiskey, which equates to a little less than a full shot at a respectable bar, contains about 69 calories. While that may not seem like a lot, after a couple of these bad boys mixed with cola, you've racked up quite a few calories. Jose Cuervo.
Medical Definition of black widow. : a venomous New World spider of the genus Latrodectus (L. mactans) the female of which is black with an hourglass-shaped red mark on the underside of the abdomen; broadly : any other spider of the genus Latrodectus.
Crosswise bars that resemble a red hourglass appear on the underside of the abdomen. Southern Black Widow. The weather in the American South is extremely conducive to the development of black widow spiders, and several species can be found. A great example is the southern black widow spider (Latrodectus mactans).They are one of the most common black widow species in the Southern United States.rosswise bars that resemble a red hourglass appear on the underside of the abdomen. Southern Black Widow. The weather in the American South is extremely conducive to the development of black widow spiders, and several species can be found. A great example is the southern black widow spider (Latrodectus mactans).