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decus et tutamen

Latin Phrases
Pronunciation

Understanding ARPABET Pronunciation

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The pronunciation guide uses the ARPABET phonetic system—the same system used in speech recognition and text-to-speech applications.

Vowel Examples:
AE1 = cat, bat
EH1 = bed, head
IY1 = see, me
OW1 = go, boat
UW1 = boot, do
Stress Numbers:
0 = no stress (unstressed)
1 = primary stress (loud)
2 = secondary stress (medium)
Example:
AH0 TH IY1 N AH0
= a-THEE-na (Athena)

The stressed syllable (marked with 1) is pronounced louder and clearer than others.

Quick Definition

An ornament and a safeguard; beauty and protection combined in one.

Detailed Definition
Decus et tutamen is taken from Virgil's Aeneid and was famously applied to the pound coin, describing the inscribed edge that both beautifies and protects the currency. In poetry, it describes the dual function of poetic form: the formal elements of verse are at once ornamental, adding beauty and pleasure, and protective, giving structure and discipline to raw emotion and thought. The phrase speaks to the inseparability of aesthetic pleasure and structural necessity in good poetry.
Example
Example in poetry:
Virgil's Aeneid uses decus et tutamen in the description of Aeneas's divine shield — it is both beautiful and protective, its artistry inseparable from its function; The tension between the ornamental and the functional in poetry is a version of decus et tutamen — the question of whether formal beauty serves the poem's purposes or merely decorates them; Alexander Pope's versification is the supreme example of decus et tutamen in English poetry — the heroic couplet is simultaneously beautiful and a perfect structural device for the satirical and didactic purposes he pursues; A student might analyze a poem's formal features through the lens of decus et tutamen — asking of each formal choice whether it is purely decorative, purely functional, or genuinely both at once; The ornate lettering on medieval manuscripts embodies decus et tutamen — the illumination both beautiful in itself and performing the practical function of marking sacred text
Additional Notes
Decus et tutamen appears on the milled edge of the British one-pound coin, inscribed there since 1983 (for the original round coin) and 2017 (for the current twelve-sided coin). The phrase is taken from Virgil's Aeneid (V, 262), where it describes the breastplate given as a prize to the wrestler Entellus: it is both a beautiful ornament and a practical protection. Students should note that the application of a Virgilian phrase about a warrior's breastplate to a coin is itself a kind of poetic act — the transposition of a literary reference to a new material object that changes both the object and the reference. The phrase captures a fundamental principle of classical aesthetics: the beautiful and the useful are not opposites but ideally unified. Related concepts include Horace's dulce et utile (pleasing and useful), the principle of sprezzatura (effortless elegance), and the debate between form and function in art.
Also Known As
an ornament and a safeguard beauty and protection decus tutamenque
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