The Collaborative International Dictionary of English v.0.48:

accrescent \ac*cres"cent\ ([a^]k*kr[e^]s"sent), a. [L.
   accrescens, -entis, p. pr. of accrescere; ad + crescere to
   grow. See Crescent.]
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   1. Growing; increasing. --Shuckford.
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   2. (Bot.) Growing larger after flowering. --Gray.
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