noun, plural am·bu·lac·ra [am-byuh-lak-ruh, -ley-kruh] /ˌæm byəˈlæk rə, -ˈleɪ krə/.
- ambrosian chant,
- ambu bag,
- ambulance chaser,
- ambulance stocks,
Origin of ambulacrum
Examples from the Web for ambulacral
In the starfish we noted five ambulacral areas, one on the under side of each arm; similarly we find five in the sea-urchin.
Interambulacral areas: The five areas between the ambulacral zones.
In both cases also we find the ocular spots at the tips of the ambulacral areas.
In this family the ambulacral plates have but three pairs of pores.
The same observations apply to smaller segments, and even to single detached rows of ambulacral feet.