refrigeratory noun 3adjective 1forms 1 noun3 •(old-fashioned) Something which refrigerates or cools. •(old-fashioned) a vessel filled with cold running water, surrounding the worm. The vapour within is thereby condensed. •(old-fashioned) The chamber, or tank, in which ice is formed in an icemaker. adjective1 •Mitigating heat; cooling. formsrefrigeratories