having or represented as having emanating rays; radiate: The saint was painted with a rayed, beatific face.
having zoological or botanical rays (often used in combination): a five-rayed fin.

1740–50; ray1 + -ed3

unrayed, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin & History

"beam of light," c.1300, from O.Fr. rai (nom. rais) "ray, spoke," from L. radius "ray, spoke, staff, rod" (see radius). Not common before 17c.; of the sun, usually in reference to heat (beam being preferred for light). Science fiction ray-gun is first recorded 1931 (but cf.
Martian heat ray weapon in H.G. Wells' "War of the Worlds," 1898).

"type of fish related to sharks," 1323, from Fr. raie (13c.), from L. raia, of unknown origin.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

ray (rā)

  1. A narrow beam of light or other electromagnetic radiation.

  2. A narrow beam of particles, as a cathode.

  3. A structure or part having the form of a straight line extending from a point.

Ray (rā), John. 1627-1705.

English naturalist who was the first to use anatomy to distinguish between specific plants and animals. He established the species as the basic classification of living things.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
ray   (rā)  Pronunciation Key 
  1. A thin line or narrow beam of light or other radiation.

  2. A geometric figure consisting of the part of a line that is on one side of a point on the line.

  3. See ray flower.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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