arc  (ärk)
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n.1. Something shaped like a curve or arch: the vivid arc of a rainbow. 2. Mathematics A segment of a circle. 3. An electric arc. 4. Astronomy The apparent path of a celestial body as it rises above and falls below the horizon. 5. A progression of events suggesting narrative cohesion, especially one that rises to a climax and settles to a final conclusion. intr.v. arced (ärkt), arc·ing (är k ĭng), arcs 1. To form an arc. 2. To move or seem to move in a curved path: the stars that arc across the sky.
[Middle English ark, from Old French arc, from Latin arcus.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
abbr.1. AIDS-related complex 2. American Red Cross |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
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