The word "frontal" refers to something that relates to the front or forward part of something. It can describe a person's forehead or a region in the brain, among other things. Full definition
Most new small cars now earn good ratings in frontal crash tests but not when it comes to side and rear crashes. (iihs.org)
The firm has equipped its doors with intrusion beams that are of great help during side crash, while its reinforced front body structure improves safety in the event of frontal crash. (cardekho.com)
The ACE body structure helps protect drivers in frontal collisions. (autoweek.com)