Standard Lemma guide

spline

noun · verb · 11 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.

  • /ˈsplaɪ̯n/
  • [ˈsplaɪ̯n]
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -aɪn

1

noun

Meaning 1

A long, thin piece of metal or wood.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A strip of wood or other material inserted into grooves in each of two pieces of wood to provide additional surface for gluing.

Definition source: English Wiktionary via Wiktextract

Topics: arts, business, carpentry, construction, crafts, hobbies, lifestyle, manufacturing, woodworking

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A flexible strip of metal or other material, that may be bent into a curve and used in a similar manner to a ruler to draw smooth curves between points.

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

Any of a number of smooth curves used to join points.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A ridge or tooth on a drive shaft that meshes with a corresponding groove in a mating piece and transfers torque to it, maintaining the angular correspondence between the pieces; either the ridge or the groove, as part of a set of both (splines); the whole set of ridges and grooves.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, mechanical-engineering, mechanics, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A rectangular piece that fits grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together.

Definition source: English Wiktionary via Wiktextract

Examples

  • Near-synonym: feather

Meaning relationships

Synonyms: feather

Antonyms: none provided

7

verb

Meaning 7

To smooth (a curve or surface) by means of a spline.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

To fit with a spline.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

verb

Meaning 9

To fasten to or together with a spline.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

a thin strip (wood or metal)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: slat

Antonyms: none provided

Broader terms: strip

Narrower terms: lath, louver, louvre, fin, splat, stave, lag

11

noun

Meaning 11

a flexible strip (wood or rubber) used in drawing curved lines

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: strip

History

Etymology

Mid-1700s East Anglian dialect. Origin uncertain but perhaps from Old Danish splind or North Frisian splinj and ultimately related to the root of splinter.

Across languages

Translations

43 source translations are retained for this English entry.

  • Bulgarian: шпонка (šponka) — rectangular piece
  • Finnish: liuska — rectangular piece
  • French: clavette — rectangular piece
  • French: cannelure — rectangular piece
  • Italian: cuneo — rectangular piece
  • Italian: chiavetta — rectangular piece
  • Bulgarian: кривка (krivka) — flexible strip used in a similar manner to a ruler
  • Finnish: käyräviivain — flexible strip used in a similar manner to a ruler
  • French: cerce — flexible strip used in a similar manner to a ruler
  • German: Straklatte — flexible strip used in a similar manner to a ruler
  • Norwegian: rilinjal — flexible strip used in a similar manner to a ruler
  • Portuguese: régua-cobra — flexible strip used in a similar manner to a ruler
  • Portuguese: régua flexível — flexible strip used in a similar manner to a ruler
  • Russian: спла́йн (splájn) — flexible strip used in a similar manner to a ruler
  • Bulgarian: сплайн (splajn) — smooth mathematical curve
  • Bulgarian: изглаждаща функция (izglaždašta funkcija) — smooth mathematical curve
  • Finnish: splini — smooth mathematical curve
  • French: spline — smooth mathematical curve
  • German: Spline — smooth mathematical curve
  • German: Polynomzug — smooth mathematical curve
  • Norwegian: rikurve — smooth mathematical curve
  • Norwegian: rifunksjon — smooth mathematical curve
  • Portuguese: spline — smooth mathematical curve
  • Russian: спла́йн (splájn) — smooth mathematical curve
  • Swedish: spline — smooth mathematical curve
  • Swedish: rifunktion — smooth mathematical curve
  • Swedish: ri-funktion — smooth mathematical curve
  • Finnish: liuska — strip of wood used in joining wooden parts
  • French: languette — strip of wood used in joining wooden parts
  • Italian: linguetta — strip of wood used in joining wooden parts
  • Portuguese: chaveta — strip of wood used in joining wooden parts
  • Portuguese: cunha — strip of wood used in joining wooden parts
  • Russian: шпо́нка (špónka) — strip of wood used in joining wooden parts
  • Finnish: ura — teeth on a drive shaft
  • Finnish: spoori — teeth on a drive shaft
  • Finnish: poori — teeth on a drive shaft
  • Māori: raumoa — teeth on a drive shaft
  • Norwegian Bokmål: boss — teeth on a drive shaft
  • Portuguese: estria — teeth on a drive shaft
  • Spanish: cresta — teeth on a drive shaft
  • Spanish: diente — teeth on a drive shaft
  • Spanish: acanaladura — teeth on a drive shaft
  • Spanish: surco — teeth on a drive shaft
Real reading context

spline in complete knowledge articles