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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 am·bu·la·crum /-krəm/
 步帶

From: Webster's Revised Unabridged Dictionary (1913)

 Am·bu·la·crum n.; pl. Ambulacra   Zool. (a) One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays. (b) One of the suckers on the feet of mites.
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From: WordNet (r) 2.0

 ambulacrum
      n : one of the five areas on the undersurface of an echinoderm
          on which the tube feet are located
      [also: ambulacra (pl)]