• noun:   an examination conducted by word of mouth
• adjective:   of or involving the mouth or mouth region or the surface on which the mouth is located

  Example: "The oral cavity"

• adjective:   using speech rather than writing

  Example: "An oral tradition"

• adjective:   of or relating to or affecting or for use in the mouth

  Example: "Oral hygiene"

• adjective:   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

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