/'frʌntl; `frʌntl/
adj [attrib 作定语]
1 at, from, in, or of the front 靠正面的; 从正面的; 在正面的; 正面的
*a frontal view 正面所见
* a frontal attack, ie one directed at the front or the main point 正面攻击
* full frontal nudity, ie complete nudity, showing the whole of the front of the body 正面全裸.
2 (medical 医) of a person's forehead 前额的
*frontal lobes 额叶.
3 concerning a weather front(6) （天气）锋的
*a frontal system 锋系.

adj [only before noun]formal
at or relating to the front part of something
　the frontal armour of the new tanks
frontal attack/assault
a) a direct attack on the front of an army
　The minefields make an all-out frontal attack almost impossible.
b) an attack or criticism that is very strong and direct
　After the election, the party launched into a frontal assault on the British media.
medical relating to the front part of the head
　tissues in the frontal lobes of the brain
→full frontal