noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A row of pores in an echinoderm, for the protrusion of appendages such as tube feet.
2. 2
   one of the five areas on the undersurface of an echinoderm on which the tube feet are located wordnet
3. 3
   A walk or promenade planted with trees, often near a house.

Etymology

From Latin ambulacrum, from ambulō (“walk; travel”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.