• WordNet 3.6
    • n fucus any member of the genus Fucus
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Webster's Revised Unabridged Dictionary
    • Fucus (Bot) A genus of tough, leathery seaweeds, usually of a dull brownish green color; rockweed.
    • Fucus A paint; a dye; also, false show.
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Century Dictionary and Cyclopedia
    • n fucus A paint; a dye; especially, a paint for the face; rouge; hence, a disguise; a pretense; a sham.
    • n fucus [capitalized] A genus of Fucaceæ, characterized by dichotomously branching fronds in which there is no distinction of stem and leaves, and which are provided with a midrib and often with air-bladders. The plants are either hermaphrodite or diœcious. The conceptacles containing the fruit are in a terminal part of the frond. Formerly all marine algæ were included in this genus, but it is now limited as above. The species of Fucus are known as rockweeds, and form the principal vegetation of the rocks exposed at low tide in northern regions.
    • n fucus Pl. fuci (fū ′ -sī). Any fucaceous seaweed.
    • fucus To paint; dye.
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Chambers's Twentieth Century Dictionary
    • n Fucus fū′kus a genus of seaweed containing the wrack and other species: a dye: a disguise
    • adj Fucus containing fucoids
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Webster's Revised Unabridged Dictionary
L. rock lichen, orchil, used as a red dye, red or purple color, disguise, deceit


In literature:

The paths were encumbered with seaweed and fucus, between which grovelled a whole world of crustacea.
"Twenty Thousand Leagues under the Sea" by Jules Verne
And now we were within the range of the Sargasso Weed, that mysterious FUCUS that makes the ocean look.
"The Cruise of the Cachalot" by Frank T. Bullen
My point is as follows: Harvey gives the case of Fucus varying remarkably, and yet in same way under most different conditions.
"More Letters of Charles Darwin" by Charles Darwin
The word under her silver shield, "omnis abest fucus"; alluding to thy spotless self, who art as far from impurity as from mortality.
"Cynthia's Revels" by Ben Jonson
Colour light yellowish: parasitic upon a fucus.
"Narrative Of The Voyage Of H.M.S. Rattlesnake, Commanded By The Late Captain Owen Stanley, R.N., F.R.S. Etc. During The Years 1846-1850. Including Discoveries And Surveys In New Guinea, The Louisiade Archipelago, Etc. To Which Is Added The Account Of Mr. E.B. Kennedy's Expedition For The Exploration Of The Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist To The Expedition. In Two Volumes. Volume 1." by John MacGillivray
The weed alluded to is probably the fucus natans, or gulf-weed.
"Robert Kerr's General History and Collection of Voyages and Travels, Volume 18" by William Stevenson
Fucus foliis capillaceis brevissimis, vesiculis minimis donatis.
"A Voyage to New Holland" by William Dampier
We served up the seed-vessels of the fucus as fish.
"Brothers of Pity and Other Tales of Beasts and Men" by Juliana Horatia Gatty Ewing
Upon the walls themselves I could clearly make out the outline, as plain as a sun picture, of the fucus and the lycopods.
"A Journey to the Centre of the Earth" by Jules Verne
Post coitum fucus statim perit.
"Langstroth on the Hive and the Honey-Bee" by L. L. Langstroth

In science:

In this paper I will fucus on radiative nonleptonic decays, that provide a crucial test of the ChPT and can give information on the structure of hadronic interactions at low energy.
Rare Kaon Decays