| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| arris |
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| SYLLABICATION: | ar·ris |
| PRONUNCIATION: |   r  s |
| NOUN: | Inflected forms: pl. arris or ar·ris·es
The sharp edge or ridge formed by two surfaces meeting at an angle, as in a molding. | | ETYMOLOGY: | Alteration of Old French areste, fishbone, spine. See arête.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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