Definition of frontal adjective from the Oxford Advanced Learner's Dictionary

     

    frontal

     adjective
    adjective
    BrE BrE//ˈfrʌntl//
     
    ; NAmE NAmE//ˈfrʌntl//
     
    [only before noun]
     
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  1. 1connected with the front of something Airbags protect the driver in the event of a severe frontal impact.
  2. 2(also full-frontal) a frontal attack is very strong and direct They launched a frontal attack on company directors.
  3. 3connected with a weather front a cold frontal system
  4. 4 (medical) connected with the front part of the head the frontal lobes of the brain
  5. Word Origin mid 17th cent. (in the sense ‘relating to the forehead’): from modern Latin frontalis, from Latin frons, front- ‘front, forehead’.
See the Oxford Advanced American Dictionary entry: frontal