Definition of ambulacral in English:

ambulacral

adjective

Zoology
  • See ambulacrum

    • ‘Its wide ambulacral grooves and open filtration fan made it adapted for motile particle capture in a wide variety of environments.’
    • ‘Paul follows Kesling in the ambulacral placement.’
    • ‘The longest ambulacral column is parallel and adjacent to the ambulacral-adambulacral furrow.’
    • ‘In asteroids, the ambulacrals arch to form a deep ambulacral groove.’
    • ‘The ambulacral grooves are narrow and the ambulacral ossicles are not exposed.’