|1.||[ adjective ] using speech rather than writing|
"an oral tradition" "an oral agreement
|2.||[ adjective ] (psychoanalysis) 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|
|Related terms:||anal psychoanalysis|
|3.||[ adjective ] (anatomy) 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"
|Related terms:||aboral anatomy buccal buccal|
|4.||[ adjective ] of or relating to or affecting or for use in the mouth|
"oral hygiene" "an oral thermometer" "an oral vaccine"
|5.||[ noun ] (education) an examination conducted by word of mouth|
|Synonyms:||oral_examination viva_voce viva oral_exam|