D defs.my
Entry 2 senses Webster, 1913

Downcome

/(doun"kŭm`)/ · Down·come · IPA
01 n. Sudden fall; downfall; overthrow.
  1. 1.
    Sudden fall; downfall; overthrow.
  2. 2.
    A pipe for leading combustible gases downward from the top of the blast furnace to the hot-blast stoves, boilers, etc., where they are burned.(Iron Manuf.)