"Instead of classic, copper, turnip-shaped pot stills, they devised and built the black pot submarine still, a rough, slapdash job made from a couple of sheets of galvanized metal and some poplar planking."
"Model stills are ubiquitous; little turnip-shaped things built of copper and mounted onto a varnished plank with miniature dollhouse campfires under their boilers."
"The jicama (Pachyrizus erosus) is a tuberous legume grown for its turnip-shaped roots, which can grow to a weight of fifty pounds, although those found in the markets average from three to five pounds."