the sliding weight on a steelyard.-see peak, n., 3.-a plant, and its fruit, of the genus pisum, of many varieties, much cultivated for food. it has a papilionaceous flower, and the pericarp is a legume, popularly called a pod.-a name given, especially in the southern states, to the seed of several leguminous plants (species of dolichos, cicer, abrus, etc.) esp. those having a scar (hilum) of a different color from the rest of the seed.