(1):
(n.) A part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled.
(2):
(n.) A blanket or felt placed between the fabric and the printing table or cylinder.
(3):
(n.) One who, or that which, doubles.
(4):
(n.) An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope.