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.
The black widow is a medium-sized spider -- about a half-inch long. Two species are common to the United States: The southern black widow. This spider has a shiny, black, globe-shaped abdomen. Youâll know it by the red hourglass mark on the underside. The northern black widow. Youâll notice a row of red spots down the middle of the upper surface of its abdomen. It also has two crosswise bars on the underside.