English Pork chop island at the lower left corner of the crossroads, with a blue car on the slip lane that divides it from the city block. Alternative forms porkchop island, pork-chop island Etymology From the resemblance in shape to the cut of meat. Noun pork chop island (plural pork chop islands) An intersection traffic control island which splits the flow of traffic in two, one to turn using the slip lanes, and one to go through or cross traffic lanes. Coordinate terms pedestrian island traffic circle refuge island roundaboutWikiwand - on Seamless Wikipedia browsing. On steroids.