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.
Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America.The female's body is 14â16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen.atrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America.