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- Then, leaning on his hand his watchful head, The hoary monarch raised his eyes and said: "What art thou, speak, that on designs unknown, While others sleep, thus range the camp alone; Seek'st thou some friend or nightly sentinel?Book 10 (16% in)
There are no more uses of "sentinel" in The Iliad by Homer - (translated by: Pope).
Typical Usage (best examples)