patera
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pa·te·ra
(pä′tə-rə, păt′ə-)n. pl. pa·te·ras also pa·te·rae (-rē)
1. A shallow bowl or dish, especially one used ceremonially by the ancient Romans in pouring libations.
2. A shallow crater on the surface of a solar system body, having an irregular or scalloped rim, caused either by past volcanic activity or by the impact of a much smaller solar system body.
[Latin, perhaps from patina, shallow dish (influenced by crātēra, vessel for mixing wine with water); see paten.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
patera
(ˈpætərə)n
1. (Archaeology) archaeol a shallow ancient Roman bowl used in rituals
2. (Architecture) architect a saucer-shaped decorative element, often on walls or ceilings
3. (Astrology) astrology a shallow planetary crater
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014