PRESSER n.
One who, or that which, presses. Presser bar, or Presser wheel (Knitting machine), a bar or wheel which closes the barbs of the needles to enable the loops of the yarn to pass over them. -- Presser foot, the part of a sewing machine which rests on the cloth and presses it down upon the table of the machine.…
PRESSOR a.
Causing, or giving rise to, pressure or to an increase of pressure; as, pressor nerve fibers, stimulation of which excites the vasomotor center, thus causing a stronger contraction of the arteries and consequently an increase of the arterial blood pressure; -- opposed to depressor. Landois & Stirling.…