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1. Relating to the mouth; mouthly. (

2. Pertaining to the mouth, taken through or applied in the mouth, as an oral medication or an oral thermometer. (

3. Spoken rather than written. (

4. a. Of, relating to, or characterized by the first stage of psychosexual development in psychoanalytic theory during which libidinal gratification is derived from intake (as of food), by sucking, and later by biting. (

b. 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. (

5. Of, relating to, or characterized by personality traits of passive dependence and aggressiveness. (

Word origin: From Late Latin oralis, from Latin os (genitive oris) “mouth, opening, face, entrance.”

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