FOCAL a.
Belonging to,or concerning, a focus; as, a focal point. Focal distance, or length,of a lens or mirror (Opt.), the distance of the focus from the surface of the lens or mirror, or more exactly, in the case of a lens, from its optical center. --Focal distance of a telescope, the distance of the image of an object from th…
FOREST n.
A large extent or precinct of country, generally waste and woody, belonging to the sovereign, set apart for the keeping of game for his use, not inclosed, but distinguished by certain limits, and protected by certain laws, courts, and officers of its own. Burrill.
FRANCISCAN a.
Belonging to the Order of St. Francis of the Franciscans. Franciscan Brothers, pious laymen who devote themselves to useful works, such as manual labor schools, and other educational institutions; -- called also Brothers of the Third Order of St. Francis. -- Franciscan Nuns, nuns who follow the rule of t. Francis, esp…