atty.

/AE1 T IY0/
noun
  1. 1

    A lawyer; one who advises or represents others in legal matters as a profession.

  2. 2

    (UK 19th century and earlier) One such who practised in the courts of the common law (cf solicitor, proctor).

  3. 3

    (20th century and later, rare, usually pejorative) A solicitor.

  4. 4

    (obsolete outside set phrases) An agent or representative authorized to act on someone else's behalf.

  5. 5

    A title given to lawyers and notaries public, or those holders by profession who also do other jobs. Usually capitalized or abbreviated as Atty.

Source: https://en.wiktionary.org/wiki/attorney, https://en.wiktionary.org/wiki/atty.