ambulacrum /ˌambjʊˈleɪkrəm, ˌambjʊˈlakrəm/

a

I. noun


[Zoology] (in an echinoderm) each of the radially arranged bands, together with their underlying structures, through which the double rows of tube feet protrude.
II. derivatives

ambulacral
adjective


– origin early 19th cent.: Latin, ‘avenue’, from ambulare ‘to walk’.

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