sentinel
131sentinel — n. & v. n. a sentry or lookout. v.tr. (sentinelled, sentinelling; US sentineled, sentineling) 1 station sentinels at or in. 2 poet. keep guard over or in. Etymology: F sentinelle f. It. sentinella, of unkn. orig …
132Char Sentinel — Sentinel Australian Cruiser Tank Mk. 1 Sentinel …