only 1 use
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- He marched into the dining room where the dressmaker's dummy maintained its sentinel position over my mother's sewing machine; a few dressmaking materials were still spread out on the dining-room table; a drawing of a new pattern was pinned down flat on the table by a pair of shears.p. 144.6
There are no more uses of "sentinel" in A Prayer for Owen Meany.
Typical Usage (best examples)