3. (Zoöl.) A marine crab (Podophthalmus vigil) native of the Indian
Ocean, remarkable for the great length of its eyestalks; -- called also
sentinel crab.
Sen"ti*nel, v. t. [imp. & p. p. Sentineled (?) or 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.
Sen`ti*sec"tion (?), n. [L. sentire to feel + E. section.] Painful
vivisection; -- opposed to callisection. B. G. Wilder.
Sen"try (?), n.; pl. Sentires (#). [Probably from OF. senteret a little
patch; cf. F. sentier path, and OF. sente. See Sentinel.] 1. (Mil.) A
soldier placed on guard; a sentinel.