Source : Webster's Revised Unabridged Dictionary (1913)

Accrete \Ac*crete"\, v. i. [From L. accretus, p. p. of
   accrescere to increase.]
   1. To grow together.

   2. To adhere; to grow (to); to be added; -- with to.

Accrete \Ac*crete"\, v. t.
   To make adhere; to add. --Earle.

Accrete \Ac*crete"\, a.
   1. Characterized by accretion; made up; as, accrete matter.

   2. (Bot.) Grown together. --Gray.

Source : WordNet®

accrete
     v 1: grow together (of plants and organs); "After many years the
          rose bushes grew together"
     2: grow or become attached by accretion; "The story accreted
        emotion"