interambulacra

1 definition found

interambulacra - Collaborative International Dictionary of English v.0.48 :

  Interambulacrum \In`ter*am`bu*la"crum\, n.; pl. L.
     Interambulacra, E. Interambulacrums. (Zool.)
     In echinoderms, one of the areas or zones intervening between
     two ambulacra. See Illust. of Ambulacrum.
     [1913 Webster]