14 Del. Admin. Code § 1043-2.0
The following words and terms, when used in this regulation, shall have the following meaning:
"Board" means the Delaware Interscholastic Athletic Association Board of Directors established pursuant to 14 Del.C. Ch. 3.
"Competition" means a contest between schools in which student athletes compete.
"Member School" means a full or associate member school of the DIAA.
"Play Day" means a preseason event involving a series of Scrimmages held during the legal practice period for that sport season involving multiple Member Schools.
"Scrimmage" means an informal competition between schools in which a final score is not kept, the time periods are permitted to be modified, the results of the competition are not reported to the media, the coaches are permitted to interrupt the play to provide instruction, and the competition is strictly for practice purposes.
14 Del. Admin. Code § 1043-2.0