Meaning of CYLINDER in English

ˈsilə̇ndə(r) noun

( -s )

Usage: often attributive

Etymology: Middle French or Latin; Middle French cylindre, from Latin cylindrus, from Greek kylindros, from kylindein to roll; akin to Old English sceol wry, squinting, Old High German scelah, Old Norse skjalgr wry, squinting, Latin scelus crime, wickedness, Greek skolios curved, crooked, skelos leg, Albanian tshalë lame; basic meaning: turning, bending

1. mathematics

a. : the surface traced by any straight line moving parallel to a fixed straight line and intersecting a fixed curve

b. : the space bounded by any such surface and two parallel planes cutting all the elements — see volume table

2. : a cylindrical body: as


(1) : the turning chambered breech of a revolver

(2) : one type of choke boring — see choke II 3


(1) : a cylindrical chamber in an engine in which a piston is impelled by the pressure or expansive force of the working fluid

(2) : the analogous though not cylindrical part in certain abnormal types of engines

c. : a chamber in a pump from which the piston expels the fluid

d. : the rapidly rotating spiked drum of a threshing machine


(1) : plate cylinder

(2) : impression cylinder

(3) : blanket cylinder

f. : cylinder seal

g. : a cylindrical clay object inscribed with cuneiform inscriptions

h. : a typewriter platen

i. : a cylindrical record of a phonograph or dictating machine

j. : the portion of a cylinder lock that contains the tumblers and keyhole

3. : a pivoted hollow steel shell upon which the balance of a watch is mounted and which is cut away to permit the passage of the rim of the escape wheel

4. : the square prism carrying the cards to the needles in a jacquard loom

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.