ambulacrum

noun
am·​bu·​la·​crum | \ ˌam-byə-ˈla-krəm How to pronounce ambulacrum (audio) , -ˈlā-\
plural ambulacra\ ˌam-​byə-​ˈla-​krə How to pronounce ambulacra (audio) , -​ˈlā-​ \

Definition of ambulacrum

: an ambulacral area or part

First Known Use of ambulacrum

1802, in the meaning defined above

History and Etymology for ambulacrum

New Latin, from Latin, alley, from ambulare to walk — more at amble

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The first known use of ambulacrum was in 1802

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