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ambulacrum definition

am·bu·la·crum (am′byo̵̅o̅ lā′krəm, -byə-)

noun pl. ambulacra -·cra (-krə)

Zool. in echinoderms, that surface area containing a radiating series of perforated plates through which the tube feet extend

Etymology: ModL < L, tree-lined walk < ambulare: see amble

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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