cylinder vs wad

cylinder

noun
  • The part of a revolver that contains chambers for the cartridges. 

  • A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve. 

  • Any object in the form of a circular cylinder. 

  • A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder. 

  • An early form of phonograph recording, made on a wax cylinder. 

  • A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine. 

  • The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity. 

  • The space in which a piston travels inside a reciprocating engine or pump. 

  • A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder. 

verb
  • To calender; to press (paper, etc.) between rollers to make it glossy. 

wad

noun
  • A soft plug or seal, particularly as used between the powder and pellets in a shotgun cartridge, or earlier on the charge of a muzzleloader or cannon. 

  • A sandwich. 

  • An ejaculation of semen. 

  • Any black manganese oxide or hydroxide mineral rich rock in the oxidized zone of various ore deposits. 

  • Plumbago, graphite. 

  • An amorphous, compact mass. 

  • A substantial pile (normally of money). 

verb
  • To insert or force a wad into. 

  • To crumple or crush into a compact, amorphous shape or ball. 

  • To wager. 

  • To stuff or line with some soft substance, or wadding, like cotton. 

How often have the words cylinder and wad occurred in a corpus of books? (source: Google Ngram Viewer )