Definition of "camphor" [cam•phor]

• An aromatic crystalline compound, C10H16O, obtained naturally from the wood or leaves of the camphor tree or synthesized and used as an insect repellent, in the manufacture of film, plastics, lacquers, and explosives, and in medicine chiefly in external preparations to relieve mild pain and itching. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The juice of which the camphor is made runs out from a hole bored in the upper part of the tree, is received in a vessel, where it grows thick, and becomes what we call camphor; and the juice thus drawn out the tree withers and dies."
• "When people went out they wore gauze masks over their nose and mouth, often soaked in camphor or other medicinal substances."
• "The word camphor (_kafier_), which is derived from the word _kafr_, means to "suppress or cover.""