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ambulacrum
[ am-byuh-lak-ruhm, -ley-kruhm ]
/ ˌæm byəˈlæk rəm, -ˈleɪ krəm /
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noun, plural am·bu·lac·ra [am-byuh-lak-ruh, -ley-kruh]. /ˌæm byəˈlæk rə, -ˈleɪ krə/.
one of the radial areas in an echinoderm, as the sea urchin, bearing the tube feet by which the creature moves.
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Origin of ambulacrum
1830–40; <New Latin, Latin: alley, walking place, equivalent to ambulā- (stem of ambulāre to walk) + -crum noun suffix denoting means
OTHER WORDS FROM ambulacrum
am·bu·lac·ral, adjectivein·ter·am·bu·la·crum, noun, plural in·ter·am·bu·la·cra.Words nearby ambulacrum
Ambrosian chant, ambrotype, ambry, ambsace, Ambu bag, ambulacrum, ambulance, ambulance chaser, ambulance stocks, ambulant, ambulante
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for ambulacrum
ambulacrum
/ (ˌæmbjʊˈleɪkrəm) /
noun plural -ra (-rə)
any of five radial bands on the ventral surface of echinoderms, such as the starfish and sea urchin, on which the tube feet are situated
Derived forms of ambulacrum
ambulacral, adjectiveWord Origin for ambulacrum
C19: from Latin: avenue, from ambulāre to walk
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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