Ambulacral

am·bu·lac·rum  (mby-lkrm, -lkrm)

n. pl. am·bu·lac·ra (-lkr, -lkr)

One of the five radial areas on the undersurface of the starfish and similar echinoderms, from which the tube feet are protruded and withdrawn.

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[Latin ambulcrum, walk planted with trees, from ambulre, to walk; see ambhi in Indo-European roots.]

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ambu·lacral adj.

Thesaurus

Adj.

1.

ambulacral - pertaining to the ambulacra of radial echinoderms zoological science, zoology - the branch of biology that studies animals