
1) Ancient Roman religion 2) Decorative disk 3) Old Roman dish 4) Old Roman saucer 5) Roman saucer 6) Sacrificial plate 7) Shallow crater
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https://www.crosswordclues.com/clue/patera

In the material culture of classical antiquity, a phiale or patera (ˈpatera) is a shallow ceramic or metal libation bowl. It often has a bulbous indentation (omphalos, `bellybutton`) in the center underside to facilitate holding it, in which case it is sometimes called a mesomphalic phiale. It typically has no handles, and no feet. (A drinking .....
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http://en.wikipedia.org/wiki/Patera
[gastropod] Patera is a genus of land snails in the family Polygyridae. The name is from the Latin patera (`a saucer`), and refers to the highly depressed, saucer-like shape of the shells of these snails. In addition to flattened shells, members of the group have an imperforate umbilicus and a single tooth on the parietal wall of the apertu...
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http://en.wikipedia.org/wiki/Patera_(gastropod)

• (n.) A circular ornament, resembling a dish, often worked in relief on friezes, and the like. • (n.) A saucerlike vessel of earthenware or metal, used by the Greeks and Romans in libations and sacrificies.
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http://thinkexist.com/dictionary/meaning/patera/

a flat, round, relief ornament
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http://www.encyclo.co.uk/local/20559

Round or oval disc, usually ornamented with a rosette in the center
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http://www.encyclo.co.uk/local/22203

Small circular or oval ornament in low relief, usually resembling a flower or acanthus leaves. See decorative motifs.
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http://www.encyclo.co.uk/visitor-contributions.php
Pat'e·ra noun ;
plural Pateræ [ Latin , from
patere to lie open.]
1. A saucerlike vessel of earthenware or metal, used by the Greeks and Romans in libations and sacrificies.
2. (Architecture) A circular ornament, resembling a dish, often worked in r...
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http://www.encyclo.co.uk/webster/P/32

In architecture a patera is a circular ornament, resembling a dish, often worked in relief on friezes, and the like.
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http://www.probertencyclopaedia.com/browse/TP.HTM

A shallow crater with a complex, scalloped edge.
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http://www.seasky.org/astronomy/astronomy-glossary.html

Shallow crater; scalloped, complex edge.
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http://www.solarviews.com/eng/terms.htm

A shallow dish from which a sacrifice or libation could be poured, often onto an altar. Many Roman coin reverse types show figures holding a patera, which symbolised piety and religious intent. Sometimes creatures with religious connections, such as snakes and peacocks, are fed from them.
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https://www.encyclo.co.uk/local/20503

Circular ornament in low relief based on the classical libation dish, much used in 18thC neo-classical silver where it was also adapted to oval outlines. Often enriched with fluting, foliage, etc.
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https://www.encyclo.co.uk/local/21090
No exact match found.