Webster's Revised Unabridged Dictionary · 1913

Refrigeratory

Refrigeratory (-?*t?*r?) , adjective

[Latin refrigeratorius.]

Mitigating heat; cooling.

Refrigeratory (-fr{not transcribed}z) , noun

[CF. French réfrigératoire.]

That which refrigerates or cools.
(a)
In distillation, a vessel filled with cold water, surrounding the worm, the vapor in which is thereby condensed.
(b)
The chamber, or tank, in which ice is formed, in an ice machine.