Definitions

1. noun

A pipe or passage for carrying smoke or other gases out of a building, especially one that is used in conjunction with a chimney or flue.

“The outflue was clogged, causing the smoke to back up into the living room.”

2. verb

To provide with a means of carrying smoke or other gases out of a building.

“The architect designed the house to be outflued with a modern ventilation system.”