ˈbʌk.əl ˈɔːɹəl ˈɔɹəl ˈɔːɹəl ˈɔɹəl ˈvaɪ.və ˈvaɪvə ˈvoʊtʃɪ a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression of or involving the mouth or mouth region or the surface on which the mouth is located the oral cavity the oral mucous membrane the oral surface of a starfish a buccal gland using speech rather than writing an oral tradition an oral agreement of or relating to or affecting or for use in the mouth oral hygiene an oral thermometer an oral vaccine an examination conducted by spoken communication