Little Ruler

Little Ruler

[′lid·əl ′rül·ər]
(astronomy)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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"So she does; she rules the Emerald City and all the four countries of Oz; but each country has another little ruler, not so big as Ozma.

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