fetticus noun1 •(US) corn salad or mâche, Valerianella locusta, a plant whose leaves are used in salads.Earliest sown or planted — round beet, peas, forcing carrot, lettuce, radish, early cabbage, peppergrass, mustard, spinach, kohlrabi, turnip, scallion, early potato, fetticus. — 1945
