1.an examination conducted by word of mouth
2.using speech rather than writing;
an oral tradition
3.of or relating to or affecting or for use in the mouth;
oral hygiene
4.of or involving the mouth or mouth region or the surface on which the mouth is located;
the oral cavity
5.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