Source : Webster's Revised Unabridged Dictionary (1913)

Aim \Aim\, v. i. [imp. & p. p. {Aimed}; p. pr. & vb. n.
   {Aiming}.] [OE. amen, aimen, eimen, to guess at, to estimate,
   to aim, OF. esmer, asmer, fr. L. aestimare to estimate; or
   perh. fr. OF. aesmer; ? (L. ad) + esmer. See {Estimate}.]
   1. To point or direct a missile weapon, or a weapon which
      propels as missile, towards an object or spot with the
      intent of hitting it; as, to aim at a fox, or at a target.

   2. To direct the indention or purpose; to attempt the
      accomplishment of a purpose; to try to gain; to endeavor;
      -- followed by at, or by an infinitive; as, to aim at
      distinction; to aim to do well.

            Aim'st thou at princes?               --Pope.

   3. To guess or conjecture. [Obs.] --Shak.