The Collaborative International Dictionary of English v.0.48:

Personal \Per"son*al\ (p[~e]r"s[u^]n*al), a. [L. personalis: cf.
   F. personnel.]
   1. Pertaining to human beings as distinct from things.
      [1913 Webster]

            Every man so termed by way of personal difference.
                                                  --Hooker.
      [1913 Webster]

   2. Of or pertaining to a particular person; relating to, or
      affecting, an individual, or each of many individuals;
      peculiar or proper to private concerns; not public or
      general; as, personal comfort; personal desire.
      [1913 Webster]

            The words are conditional, -- If thou doest well, --
            and so personal to Cain.              --Locke.
      [1913 Webster]

   3. Pertaining to the external or bodily appearance;
      corporeal; as, personal charms. --Addison.
      [1913 Webster]

   4. Done in person; without the intervention of another.
      "Personal communication." --Fabyan.
      [1913 Webster]

            The immediate and personal speaking of God. --White.
      [1913 Webster]

   5. Relating to an individual, his character, conduct,
      motives, or private affairs, in an invidious and offensive
      manner; as, personal reflections or remarks.
      [1913 Webster]

   6. (Gram.) Denoting person; as, a personal pronoun.
      [1913 Webster]

   Personal action (Law), a suit or action by which a man
      claims a debt or personal duty, or damages in lieu of it;
      or wherein he claims satisfaction in damages for an injury
      to his person or property, or the specific recovery of
      goods or chattels; -- opposed to real action.

   Personal equation. (Astron.) See under Equation.

   Personal estate or Personal property (Law), movables;
      chattels; -- opposed to real estate or real property.
      It usually consists of things temporary and movable,
      including all subjects of property not of a freehold
      nature.

   Personal identity (Metaph.), the persistent and continuous
      unity of the individual person, which is attested by
      consciousness.

   Personal pronoun (Gram.), one of the pronouns I, thou,
      he, she, it, and their plurals.

   Personal representatives (Law), the executors or
      administrators of a person deceased.

   Personal rights, rights appertaining to the person; as, the
      rights of a personal security, personal liberty, and
      private property.

   Personal tithes. See under Tithe.

   Personal verb (Gram.), a verb which is modified or
      inflected to correspond with the three persons.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

thou \thou\ ([th]ou), pron. [Sing.: nom. Thou; poss. Thy
   ([th][imac]) or Thine ([th][imac]n); obj. Thee
   ([th][=e]). Pl.: nom. You (y[=oo]); poss. Your (y[=oo]r)
   or Yours (y[=oo]rz); obj. You.] [OE. thou, [thorn]u, AS.
   [eth][=u], [eth]u; akin to OS. & OFries. thu, G., Dan. & Sw.
   du, Icel. [thorn][=u], Goth. [thorn]u, Russ. tui, Ir. & Gael.
   tu, W. ti, L. tu, Gr. sy`, Dor. ty`, Skr. tvam. [root]185.
   Cf. Thee, Thine, Te Deum.]
   The second personal pronoun, in the singular number, denoting
   the person addressed; thyself; the pronoun which is used in
   addressing persons in the solemn or poetical style.
   [1913 Webster]

         Art thou he that should come?            --Matt. xi. 3.
   [1913 Webster]

   Note: "In Old English, generally, thou is the language of a
         lord to a servant, of an equal to an equal, and
         expresses also companionship, love, permission,
         defiance, scorn, threatening: whilst ye is the language
         of a servant to a lord, and of compliment, and further
         expresses honor, submission, or entreaty." --Skeat.
         [1913 Webster]

   Note: Thou is now sometimes used by the Friends, or Quakers,
         in familiar discourse, though most of them corruptly
         say thee instead of thou.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Thou \Thou\, v. t.
   To address as thou, esp. to do so in order to treat with
   insolent familiarity or contempt.
   [1913 Webster]

         If thou thouest him some thrice, it shall not be amiss.
                                                  --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Thou \Thou\, v. i.
   To use the words thou and thee in discourse after the manner
   of the Friends. [R.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

thou
    n 1: the cardinal number that is the product of 10 and 100 [syn:
         thousand, one thousand, 1000, M, K, chiliad,
         G, grand, thou, yard]