Standard Lemma guide

selachian

adj · noun · 4 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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  • UK: /sɪˈleɪkɪən/

1

adj

Meaning 1

Pertaining to (what is now classified as) the superorder Selachimorpha or division Selachii, comprising the sharks; or, sometimes more broadly, to the subclass Elasmobranchii, including sharks, rays and related species.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Sharklike.

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

Any organism of the superorder Selachimorpha or subclass Elasmobranchii; an extant shark (or related species).

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: elasmobranch

Antonyms: none provided

Broader terms: cartilaginous fish, chondrichthian

Narrower terms: shark, ray

History

Etymology

From the (disused) genus name Selache, from Latin selachē, from the plural of Ancient Greek σέλαχος (sélakhos, “shark”).

Across languages

Translations

3 source translations are retained for this English entry.

  • Bulgarian: хрущялен (hruštjalen) — pertaining to the superorder Selachiformes
  • Portuguese: seláquio — pertaining to the superorder Selachiformes
  • Portuguese: seláceo — pertaining to the superorder Selachiformes