What is "refrigeratory"

Refrigeratory \Re*frig"er*a*to*ry\ (-?*t?*r?), a. [L. refrigeratorius.] Mitigating heat; cooling.

Refrigeratory \Re*frig"er*a*to*ry\, n.; pl. -ries (-fr?z). That which refrigerates or cools. Specifically:

1. In distillation, a vessel filled with cold water, surrounding the worm, the vapor in which is thereby condensed.

2. The chamber, or tank, in which ice is formed, in an ice machine.

a. Mitigating heat; cooling. n. 1 (context dated English) That which refrigerates or cools. 2 # In distillation, a vessel filled with cold water, surrounding the worm, the vapour in which is thereby condensed. 3 # The chamber, or tank, in which ice is formed, in an ice machine.