The Collaborative International Dictionary
Antambulacral
Antambulacral \Ant*am`bu*la"cral\ ([a^]nt*[a^]m`b[-u]*l[=a]"kral), a. (Zo["o]l.) Away from the ambulacral region. [1913 Webster] ||
Wiktionary
antambulacral
a. (context zoology English) Away from the ambulacral region.