engineering, technical, consulting, and advisory services with respect to designing, building, equipping, and testing commercial and military aircraft and related equipment at Lockheed Martin corporation
(usually lowercase) . Also, skunk works. Slang. an often secret experimental laboratory or facility for producing innovative products, as in the computer or aerospace field.
1943 for def 1, 1965–70 for def 2; after Big Barnsmell's Skonk Works, where the illicit liquor Kickapoo Joy Juice was made, in Al Capp's comic strip Li'l Abner