Du″pli‐cate (?), v. t. [imp. & p. p.Duplicated (?); p. pr. & vb. n.Duplicating.] 1. To double; to fold; to render double.
2. To make a duplicate of (something); to make a copy or transcript of. Glanvill.
3. (Biol.) To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves.