sentinel. A person or special body of persons assigned to provide protection or keep watch over, for example: guard, lookout, picket, protector, sentry, ward, watch.
Victrola. Originally, a phonograph from the Victor Talking Machine Company, Camden, NJ, but it eventually became more of a generic term for any brand of phonograph.
Victoza is the brand name used for liraglutide in Europe. This drug is the first human Glucagon-Like Peptide-1 developed to be taken once per day in order to treat type 2 diabetes.