From The Collaborative International Dictionary of English v.0.48:
Sentry \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. [1913 Webster]
2. Guard; watch, as by a sentinel. [1913 Webster]
Here toils, and death, and death's half-brother, sleep, Forms terrible to view, their sentry keep. --Dryden. [1913 Webster]
Sentry box, a small house or box to cover a sentinel at his post, and shelter him from the weather. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Kite \Kite\ (k[imac]t), n. [OE. kyte, AS. c[=y]ta; cf. W. cud, cut.] [1913 Webster] 1. (Zool.) Any raptorial bird of the subfamily Milvin[ae], of which many species are known. They have long wings, adapted for soaring, and usually a forked tail. [1913 Webster]
Note: The European species are Milvus ictinus and Milvus migrans; the pariah kite of India is Milvus govinda; the sacred or Brahmany kite of India is Haliastur Indus; the American fork-tailed kite is the Nauclerus furcatus. [1913 Webster]
2. Fig.: One who is rapacious. [1913 Webster]
Detested kite, thou liest. --Shak. [1913 Webster]
3. A light frame of wood or other material covered with paper or cloth, for flying in the air at the end of a string. [1913 Webster]
4. (Naut.) A lofty sail, carried only when the wind is light. [1913 Webster]
5. (Geom.) A quadrilateral, one of whose diagonals is an axis of symmetry. --Henrici. [1913 Webster]
6. Fictitious commercial paper used for raising money or to sustain credit, as a check which represents no deposit in bank, or a bill of exchange not sanctioned by sale of goods; an accommodation check or bill. [Cant] [1913 Webster]
7. (Zool.) The brill. [Prov. Eng.] [1913 Webster]
8. (Naut.) A form of drag to be towed under water at any depth up to about forty fathoms, which on striking bottom is upset and rises to the surface; -- called also sentry. [Webster 1913 Suppl.]
Flying kites. (Naut.) See under Flying.
Kite falcon (Zool.), an African falcon of the genus Avicida, having some resemblance to a kite. [1913 Webster]