from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A thickened portion of the vascular coat of the eye located between the choroid and the iris.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy circumferential tissue inside the eye composed of the ciliary muscle and ciliary processes

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the part of the tunic of the eye between the choroid coat and the iris


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