gore, panelnoun. a piece of cloth that is generally triangular or tapering; used in making garments or umbrellas or sails.

What is a gore in sewing?

Gore is a triangular or tapered segment (narrow at the top and wider at the base) that is subtly inserted to extend the width from the waistline to the hem of a skirt.

What are Godets used for?

A godet (/ɡoʊˈdeɪ/ or /ɡoʊˈdɛt/) is an extra piece of fabric in the shape of a circular sector which is set into a garment, usually a dress or skirt. The addition of a godet causes the article of clothing in question to flare, thus adding width and volume. The most popular use of godets is in petticoats.