The front part of a shirt, especially the part that is visible when worn under a jacket or coat. He spilled coffee on his shirtfront just before the meeting.
A detachable or false front of a shirt, often used in formal wear. He wore a crisp white shirtfront with his tuxedo for the gala.
In Australian rules football, a forceful front-on physical challenge or tackle. The player received a penalty for delivering a shirtfront during the match.