Phrase guide

sea dragon

noun · 6 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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1

noun

Meaning 1

Various sea animals that are likened to dragons:

Certain fish:

leafy sea dragon (Phycodurus eques)

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

Various sea animals that are likened to dragons:

Certain fish:

weedy sea dragon (Phyllopteryx taeniolatus)

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

Various sea animals that are likened to dragons:

Certain fish:

ruby sea dragon (Phyllopteryx dewysea)

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

Various sea animals that are likened to dragons:

A blue sea dragon, a sea slug of species Glaucus atlanticus.

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

An ichthyosaur (dinosaur-age delphine marine reptile)

Definition source: English Wiktionary via Wiktextract

Usage: UK, dated

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A type of dragon that inhabits oceans.

Definition source: English Wiktionary via Wiktextract

Topics: fantasy, human-sciences, mysticism, mythology, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From sea + dragon; in the mythic sense, some instances represent a learned calque of Old English sǣdraca, compound of sǣ (“sea”) + draca (“dragon”).