1. (

• oral ,
• oral_exam ,
• oral_examination ,
• viva_voce ,
• viva

) an examination conducted by spoken communication ;

1. (

• oral ,
• unwritten

) using speech rather than writing; "an oral tradition"; "an oral agreement" ;

2. (

• oral

) of or relating to or affecting or for use in the mouth; "oral hygiene"; "an oral thermometer"; "an oral vaccine" ;

3. (

• oral ,
• buccal

) 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" ;

4. (

• oral ,

) 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 ;