Cylinder
/ˈsɪl.ɪn.dər/noun
A solid geometric shape with two parallel circular ends and a curved surface.
Did you know?The Greek source of *cylinder* was *kýlindros*, a word for a roller or rolling pin, from the same root that gave English words connected to rolling and turning.
Etymological Timeline
Proto-Indo-European
PIE
*kʷel-
“to turn, roll, move around”
Ancient Greek
Greek
kýlindros
“a roller; something that rolls”
Late Latin
Latin
cylindrus
“a cylinder; roller-shaped object”
Old French
French
cylindre
“cylinder”
Late Middle English
English
cylindre
“a cylindrical body or shape”
Modern English
English
cylinder
“a solid or hollow object with a circular cross-section”