Standard Lemma guide

decuman

adj · 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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  • /ˈdɛkjʊmən/

1

adj

Meaning 1

Large; chief; applied to an extraordinary billow, supposed by some to be every tenth in sequence.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Connected with the principal gate of an Ancient Roman camp, near which the tenth cohort of the legion was stationed.

Definition source: English Wiktionary via Wiktextract

Usage: historical, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An extraordinarily large billow.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Latin decumānus (“of the tenth, and by metonymy, large”), from decem (“ten”).