Preform

[pri:'fɒ:m]

(verb.) form or shape beforehand or determine the shape of beforehand.

(verb.) form into a shape resembling the final, desired one.

Checked by Antoine--From WordNet

(v. t.) To form beforehand, or for special ends.

Checked by Jeannette

v.t. (Shak.) to form beforehand: to determine the shape of beforehand.—n. Preformā′tion.—adj. Prefor′mative.

Inputed by Carmela