Foot-braced loom,
A two-bar frameless loom, with one bar secured to a backstrap for controlling tension and the other bar braced against the weaver’s feet. It is one type of backstrap tension loom.

Foreground,
Portion of a work of art that appears to be in front.

Forging,
The process of shaping metals by heating to a temperature where the metal becomes malleable and then deforming its shape by compression or by an exertion of force like hammering.

Form,
A unit in an artwork that is defined or set apart by a definite contour; sometimes used synonymously with shape, or used to refer to a shape that is depicted in three rather than two dimensions.

Formality,
Black’s Law Dictionary defines a formality as a small point of practice that, though seemingly unimportant, must usually be observed to achieve a particular legal result.  In the copyright context, the term “formality” refers to a procedural or administrative requirement, such as placing a copyright notice, deposing copies or registration, to be fulfilled as condition for the acquisition, enjoyment and exercise (including the enforce ability) of copyright or related rights. Under the Berne Convention for the Protection of Literary and Artistic Works (1971), the World Trade Organization (WTO) Agreement on Trade-Related Aspects of Intellectual Property (TRIPS Agreement), the WIPO Copyright Treaty and the WIPO Performances and Phonograms Treaty, the enjoyment and exercise of the rights may not be subject to any formality.

Found object,
Natural or manufactured object not originally intended to be used as art but treated as art or included in an assembled work of art.

Foundation weave,
The basic woven structure of a fabric over which any supplementary elements float. This is usually a one-over-one-under over which any supplementary elements float. This is usually a one-over-one-under tabby weave.

Four-heddle loom,
A simple but versatile frame loom with four heddles or sets of heddles, used to practice striking geometric patterns from supplementary floating wefts.

Frame Loom,
A type of non mechanical loom in which a wooden frame permits the tension on the warp threads to be regulated by the beams without the need for the back strap operation of the earlier types of loom

Frame loom,
A type of non-mechanical loom in which a wooden frame permits the tension on the warp threads to be regulated by the beams without the need for the backstrap operation of the earlier types of loom. The heddles are opened by foot pressure on treadles.

Free-form,
Irregular, asymmetrical; not formed according to any present rules or standard design.

Fresco,
Painting done with water-based paint on fresh plaster so that as it dries the colors are absorbed into the wall.  

Frieze,
Horizontal band of decorative or narrative art, often part of the decoration of a building.

Frill,
An ornamental edging of woven material, of which on edge is gathered and the other left loose, giving a wavy appearance.

Fringe,
An ornamental border of loose or twisted threads, usually the unwoven warp ends remaining at each end of a length of fabric when the textile is removed from the loom and the warp is severed.

Fugitive (dyes),
Dyes that rapidly fade when exposed to light also called false dyes.

Full, to,
To treat or beat cloth for the purpose of cleansing and thickening it.

Fulled Wool,
Woollen cloth that is felted and shrunk by the application of heat, pressure and moisture.

Fuller’s heb.,
Saponaria officinalis; a plant used in the process of fulling.

Fuller’s thistle, or teasle.,
Dipsacus fullonum. Used for fulling cloth.