uptake

A passage for drawing up smoke or air.

Understanding; comprehension.

An act of taking in or absorbing, especially into a living organism.

To take up; take into the hand.

To succor; help.

A pipe or duct or channel leading gas, water, steam, or other liquid upward from below: used of part of a boiler furnace flue-system, in the gas-producer, blast-furnace, and elsewhere; specifically, a flue leading hot gas from the combustion-chamber or smoke-box to the chimney, in gas-making or in boiler-settings.

The act of taking up; lifting.

Perceptive power; apprehension; conception: as, he is quick in the uptake. Scott, Old Mortality, vii. The upcast pipe from the smoke-box of a steam-boiler, leading to the chimney.

To take into the hand; to take up; to help.