Source : Webster's Revised Unabridged Dictionary (1913)

Accrue \Ac*crue"\ ([a^]k*kr[udd]"), v. i. [imp. & p. p.
   {Accrued}; p. pr. & vb. n. {Accruing}.] [See {Accrue}, n.,
   and cf. {Accresce}, {Accrete}.]
   1. To increase; to augment.

            And though power failed, her courage did accrue.
                                                  --Spenser.

   2. To come to by way of increase; to arise or spring as a
      growth or result; to be added as increase, profit, or
      damage, especially as the produce of money lent.
      ``Interest accrues to principal.'' --Abbott.

            The great and essential advantages accruing to
            society from the freedom of the press. --Junius.

Accrue \Ac*crue"\, n. [F. accr[^u], OF. acre["u], p. p. of
   accroitre, OF. acroistre to increase; L. ad + crescere to
   increase. Cf. {Accretion}, {Crew}. See {Crescent}.]
   Something that accrues; advantage accruing. [Obs.]

Source : WordNet®

accrue
     v 1: grow by addition; "The interest accrues"
     2: come into the possession of; "The house accrued to the
        oldest son" [syn: {fall}]