D defs.my
Entry 2 senses Webster, 1913

Pickerel

/pĭk'-ẽr-əl/ · Pick·er·el · IPA /ˈpɪk(ə)ɹəl/
01 n. A young or small pike.
  1. 1.
    A young or small pike.[Obs.]
    “Bet [better] is, quoth he, a pike than a pickerel.” Chaucer.
  2. 2.
    Any one of several species of freshwater fishes of the genus Esox, esp. the smaller species.(Zool.)
Phrases & compounds
Pickerel weed — 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.