class Ciliata class·ci·liata uncommon noun 1. class of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle SynonymsCiliataclass CiliataCiliophoraclass Ciliophora Related words Broader terms class Parts Protozoa Part of ciliateInfusoriagenus Parameciumgenus Tetrahymenagenus Stentorgenus Vorticella WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.