Definitions
Century Dictionary and Cyclopedia
- n. Same as castor.
Wiktionary
GNU Webster's 1913
- n. A peculiar bitter orange-brown substance, with strong, penetrating odor, found in two sacs between the anus and external genitals of the beaver; castor; -- used in medicine as an antispasmodic, and by perfumers.
Examples
“The scent is leathery and animalic think both indolic and uric at once, and with that dry leathery undertone – hence it is most commonly described as a cross between civet and castoreum, which is a pretty good description if you ask me.”
“It was not, however, till of late years that the sagacious Indians discovered that the castoreum was a certain bait for the animals themselves.”
The Western World Picturesque Sketches of Nature and Natural History in North and South America
“They are seen near these dams and at their "lodges" on the banks of the stream, where they ooze out this castoreum, which is understood to be a signal to other beavers.”
“Take the innocuous-sounding castoreum, which is used to enhance the flavor of puddings, candies, and some frozen dairy desserts.”
“The peculiar odoriferous substance, secreted in two glandular sacs near the root of the tail, is "castoreum," more generally known as”
The Life of Kit Carson Hunter, Trapper, Guide, Indian Agent and Colonel U.S.A.
“Up to the moment when the wolves reached the top of this ascent they had travelled altogether by the strong scent of the castoreum which is found in the body of the beaver, and which had most thoroughly perfumed the whole party, dogs, men, and outfit.”
“Another curious circumstance connected with this "castoreum" is, that as soon as one beaver has deposited any of it on the ground, the beavers from another lodge go to the spot, and after covering it with earth and leaves, deposit their own "castoreum" on it.”
“The early key target of trappers was the beaver, a source of food, castoreum”
“The two lines run through the composition, sometimes parallel, sometimes intertwining, with the second one eventually taking over and ultimately finding its closure in a lush, animalic, fantastically sexy, nocturnal base of amber, musk, civet, patchouli and castoreum.”
Forgotten Chypres: 7e Sense by Sonya Rykiel and Gianni Versace
“Chypre Noir is made with both civet and castoreum in the base, so you know it is going to have great staying power.”
Lists
These user-created lists contain the word ‘castoreum’.
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Not in the Periodic Table
Words that sound like they might be the names of elements of the periodic table, but that aren't. Many of the words listed here were actually proposed as names for substances their creators thought...
tentorium, columbarium, nasturtium, deuterium, caladium, valerian, concordium, synangium, chorium, geranium, hymenium, pyrenium and 310 more...
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Perfumery
perfume, perfumer, aromachologist, fougère, le nez, civet, perfumer's organ, Tapputi, Eau de Cologne, eau de toilette, eau de perfume, eaux and 92 more...
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• Crappie (food)
It's in the ingredient list of your food, but neither a google search nor your imagination can find an explanation why it's considered legal in your country.
high-fructose cor..., guar gum, carnauba wax, carrageenan, diacetyl, phenylalanine, olestra, tricalcium phosphate, allyl hexanoate, butyl butyrate, sodium stearoyl l..., sucralose and 25 more...
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Worse Than They Sound
fistula, cryptosporidium, debride, donnybrook, decerebrate, pillory, flagellate, disembogue, minatory, micturate, coprolite, nosocomial and 160 more...
Tweets
Looking for tweets for castoreum.

ruzuzu Reminds me of how civet is used in perfumery and in the coffee industry. Hey--if civets bring us regular kopi luwak, I wonder whether beavers could provide vanilla-flavored coffees. Are there any animal anal glands that have a hazelnut aroma?
Jan 21, 2013
ry also, disgustingly, one of the "natural flavors" of food ingredient listings. Used to impart a "vanilla" flavor to puddings, candies, etc. Jan 21, 2013
ruzuzu See barkstone. Jan 21, 2011
reesetee Eeeew! Nov 27, 2010
hernesheir There is a term for every thing. Nov 27, 2010