The Collaborative International Dictionary of English v.0.48:

Watch \Watch\, v. t. [imp. & p. p. Watched; p. pr. & vb. n.
   Watching.]
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   1. To give heed to; to observe the actions or motions of, for
      any purpose; to keep in view; not to lose from sight and
      observation; as, to watch the progress of a bill in the
      legislature.
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            Saul also sent messengers unto David's house to
            watch him, and to slay him.           --1 Sam. xix.
                                                  11
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            I must cool a little, and watch my opportunity.
                                                  --Landor.
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            In lazy mood I watched the little circles die.
                                                  --Longfellow.
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   2. To tend; to guard; to have in keeping.
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            And flaming ministers, to watch and tend
            Their earthy charge.                  --Milton.
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            Paris watched the flocks in the groves of Ida.
                                                  --Broome.
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