Re*du"pli*cate (r?*d?"pl?*k?t), a. [Pref. re- + duplicate: cf. L. reduplicatus. Cf. Redouble.] 1. Double; doubled; reduplicative; repeated.

2. (Bot.) Valvate with the margins curved outwardly; -- said of the &?;stivation of certain flowers.

Re*du"pli*cate (-k?t), v. t. [Cf. LL. reduplicare.]

1. To redouble; to multiply; to repeat.

2. (Gram.) To repeat the first letter or letters of (a word). See Reduplication, 3.