noun · verb · 14 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/ˈsɪlɪndə(ɹ)/
US:/ˈsɪləndɚ/
US:[ˈsɪlɪ̈ndɚ]
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:S IH1 L AH0 N D ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:S IH1 L IH0 N D ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
Definition source: English Wiktionary via Wiktextract
Topics: geometry, mathematics, sciences
Examples
When the two-dimensional curve is a circle, the cylinder is called a circular cylinder. When the axis is perpendicular to the plane of the curve, the cylinder is called a right cylinder. In non-mathematical usage, both right and circular are usually implied.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
Definition source: English Wiktionary via Wiktextract
Topics: geometry, mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Any object in the form of a circular cylinder.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
The space in which a piston travels inside a reciprocating engine or pump.
Definition source: English Wiktionary via Wiktextract
Topics: automotive, transport, vehicles
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
noun
Meaning 7
An early form of phonograph recording, made on a wax cylinder.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
noun
Meaning 8
The part of a revolver that contains chambers for the cartridges.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
noun
Meaning 9
The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.
Definition source: English Wiktionary via Wiktextract
From Middle French chilindre, cylindre, from Latin cylindrus, from Ancient Greek κύλινδρος (kúlindros), from κυλίνδω (kulíndō) "I roll or wallow" (intransitive). Doublet of calander and calender.
Across languages
Translations
238 source translations are retained for this English entry.