Sentinel \Sen"ti*nel\, v. t. [imp. & p. p. Sentineledor Sentinelled; p. pr. & vb. n. Sentineling or Sentinelling.]

1. To watch over like a sentinel. "To sentinel enchanted land." [R.]

--Sir W. Scott. [1913 Webster]

2. To furnish with a sentinel; to place under the guard of a sentinel or sentinels. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Sentinel \Sen"ti*nel\, v. t. [imp. & p. p. Sentineledor Sentinelled; p. pr. & vb. n. Sentineling or Sentinelling.]

1. To watch over like a sentinel. ``To sentinel enchanted land.'' [R.]

--Sir W. Scott.

2. To furnish with a sentinel; to place under the guard of a sentinel or sentinels.

Source: Webster's Revised Unabridged Dictionary (1913)