-p(ə)nə(r) noun
( -s )
: one that dampens: as
a. : a device for dampening cloth (as in a laundry)
b. : a worker that dampens articles in preparation for further processing:
(1) : one that tempers shoe outsoles to facilitate cutting, shaping, and stitching — called also muller
(2) : one that dampens textiles (as hosiery or cloth) for boarding or ironing
(3) : one that softens hides in warm water
c. : a device for retarding the oscillations of a spring when a load is suddenly applied or removed
d. : any of the rollers on an offset printing press that convey water to nonprinting areas of the printing surface