preform

pre·form  (prfôrm)

tr.v. pre·formed, pre·form·ing, pre·forms

1. To shape or form beforehand.

2. To determine the shape or form of beforehand.

n.

1. An object that has been subjected to preliminary, usually incomplete shaping or molding before undergoing complete or final processing.

2. Linguistics A reconstructed ancestral word or form.

Thesaurus

Verb	1.	preform - form into a shape resembling the final, desired one shape, mould, mold, form, forge, work - make something, usually for a specific function; "She molded the rice balls carefully"; "Form cylinders from the dough"; "shape a figure"; "Work the metal into a sword" preform - form or shape beforehand or determine the shape of beforehand
	2.	preform - form or shape beforehand or determine the shape of beforehand shape, mould, mold, form, forge, work - make something, usually for a specific function; "She molded the rice balls carefully"; "Form cylinders from the dough"; "shape a figure"; "Work the metal into a sword" preform - form into a shape resembling the final, desired one