D defs.my
Entry 2 senses Webster, 1913

Spawner

· Spawn·er · IPA /ˈspɔnɚ/
01 n. A mature female fish.
  1. 1.
    A mature female fish.(Zool.)
    “The barbel, for the preservation or their seed, both the spawner and the milter, cover their spawn with sand.” — Walton.
  2. 2.
    Whatever produces spawn of any kind.