Source : Webster's Revised Unabridged Dictionary (1913)

Accost \Ac*cost"\, v. i.
   To adjoin; to lie alongside. [Obs.] ``The shores which to the
   sea accost.'' --Spenser.

Accost \Ac*cost"\, n.
   Address; greeting. [R.] --J. Morley.

Accost \Ac*cost"\ (#; 115), v. t. [imp. & p. p. {Accosted}; p.
   pr. & vb. n. {Accosting}.] [F. accoster, LL. accostare to
   bring side by side; L. ad + costa rib, side. See {Coast}, and
   cf. {Accoast}.]
   1. To join side to side; to border; hence, to sail along the
      coast or side of. [Obs.] ``So much [of Lapland] as accosts
      the sea.'' --Fuller.

   2. To approach; to make up to. [Archaic] --Shak.

   3. To speak to first; to address; to greet. ``Him, Satan thus
      accosts.'' --Milton.

Source : WordNet®

accost
     v 1: speak to someone [syn: {address}, {come up to}]
     2: approach with an offer of sexual favors; "he was solicited
        by a prostitute"; "The young man was caught soliciting in
        the park" [syn: {hook}, {solicit}]