Standard Lemma guide

swordtail

noun · 3 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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

One of many species of freshwater fish, in genus Xiphophorus, others of which are called platyfish.

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

Any of various papilionid butterflies that have a long sword-like projection from the tornal section of each hindwing.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

freshwater fish of Central America having a long swordlike tail; popular aquarium fish

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: helleri, topminnow, Xyphophorus helleri

Antonyms: none provided

Broader terms: cyprinodont

History

Etymology

From sword + tail.

Across languages

Translations

6 source translations are retained for this English entry.

  • Bulgarian: хелер (heler) — freshwater fish
  • Danish: sværddrager — freshwater fish
  • Finnish: miekkapyrstö — freshwater fish
  • French: xiphophore — freshwater fish
  • Greek: ξιφοφόρος (xifofóros) — freshwater fish
  • Russian: мечено́сец (mečenósec) — freshwater fish