tundish

Etymology
From.

Noun

 * 1) A kind of funnel used in brewing fitting into the bung-hole of a tun or cask.
 * 2) A funnel used in smelting, foundry work etc.
 * 3) A funnel used to create a siphonic break in a drainage system and/or provide visual indication of flow, usually in an overflow line.
 * 1) A funnel used in smelting, foundry work etc.
 * 2) A funnel used to create a siphonic break in a drainage system and/or provide visual indication of flow, usually in an overflow line.