Pickerel

n.
  1. A young or small pike.
    1. Any one of several species of freshwater fishes of the genus Esox, esp. the smaller species.
    2. The glasseye, or wall-eyed pike. See Wall-eye.
    Pickerel weed (Bot.),
    a blue-flowered aquatic plant (Pontederia cordata) having large arrow-shaped leaves. So called because common in slow-moving waters where pickerel are often found.