- Closely woven textile made in various weights, usually of flax, hemp, jute, or cotton, used especially for sails, tarpaulins, awnings, upholstery, bags, and as a support for oil painting.
- Historically, refers to wilderness areas outside the scope of common law but within the legislation of kings and reserved for royal activities; more recently, used to designate extensive wooded areas, whether maintained for the production of timber or unmanaged and preserving a wilderness of dense growth and wild animal habitats. For forests in the context of a plant community rather than as a cultural landscape, use "forests (plant communities)."
- Refers to the cultures of the continent of North America, which is bounded by the Atlantic Ocean, the Pacific Ocean, the Arctic Circle, and Central America. In classifications schemes based on physical geography, Central America, and North America are parts of the same continent.
- A paint made by grinding pigments with a drying oil such as linseed oil. After 1940 alkyd binders were often added to oil paint to provide faster drying times.