The Collaborative International Dictionary of English v.0.48:

Look \Look\, v. t.
   1. To look at; to turn the eyes toward.
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   2. To seek; to search for. [Obs.]
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            Looking my love, I go from place to place.
                                                  --Spenser.
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   3. To expect. [Obs.] --Shak.
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   4. To influence, overawe, or subdue by looks or presence as,
      to look down opposition.
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            A spirit fit to start into an empire,
            And look the world to law.            --Dryden.
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   5. To express or manifest by a look.
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            Soft eyes looked love to eyes which spake again.
                                                  --Byron.
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   To look daggers. See under Dagger.

   To look in the face, to face or meet with boldness or
      confidence; hence, sometimes, to meet for combat.

   To look out, to seek for; to search out; as, prudent
      persons look out associates of good reputation.
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The Collaborative International Dictionary of English v.0.48:

Dagger \Dag"ger\ (-g[~e]r), n. [Cf. OE. daggen to pierce, F.
   daguer. See Dag a dagger.]
   1. A short weapon used for stabbing. This is the general
      term: cf. Poniard, Stiletto, Bowie knife, Dirk,
      Misericorde, Anlace.
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   2. (Print.) A mark of reference in the form of a dagger
      [[dagger]]. It is the second in order when more than one
      reference occurs on a page; -- called also obelisk.
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   Dagger moth (Zool.), any moth of the genus Apatalea. The
      larv[ae] are often destructive to the foliage of fruit
      trees, etc.

   Dagger of lath, the wooden weapon given to the Vice in the
      old Moralities. --Shak.

   Double dagger, a mark of reference [[dag]] which comes next
      in order after the dagger.

   To look daggers, or To speak daggers, to look or speak
      fiercely or reproachfully.
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