nudiˈbrachiate,a.Zool. [f. nudi- + brachiate.] Of polyps: Having arms or tentacles which are not covered with cilia. 1847–9Todd's Cycl.Anat. IV. 50/1 The Bryozoa..exhibiting a much higher phase of organisation than any of the nudibrachiate races.Ibid., In the nudibrachiate polypes.