sentinel. n. 1. a person, such as a sentry, assigned to keep guard. 2. (Computer Science) computing a character used to indicate the beginning or end of a particular block of information. vb (tr) , -nels, -nelling or-nelled.
1 Victory Sign is a full-service sign company. We specialize in all aspects of the sign industry from survey and permitting, fabrication, installation and service. 2  We are a small company, but pride ourselves on quality workmanship and reasonable prices. We are fully insured and provide our customers with free estimates.
Octagon. The octagon is a regulatory sign because it informs motorists what to do, or not do. This shape is exclusively used for stop, yield, do not enter and wrong way signs. The stop sign is reflective to show the same shape and color during both the day and night. Stop signs have a red background with white letters and border.