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Webster 1913 Edition
Fucus
Fu′cus
,Noun.
pl. 
Fuci 
(#)
. [L. rock lichen, orchil, used as a red dye, red or purple color, disguise, deceit.] 
1. 
A paint; a dye; also, false show. 
[Obs.] 
2. 
(Bot.) 
A genus of tough, leathery seaweeds, usually of a dull brownish green color; rockweed. 
☞ Formerly most marine algæ were called fuci. 
Webster 1828 Edition
Fucus
FU'CUS
,Noun.
  1.
  A paint; a dye; also, false show.2.
  plu. fucuses.  In botany, a genus of Algae, or seaweed; the sea-wrack, &c.Definition 2025
Fucus
Fucus
See also: fucus
Translingual

Fucus serratus
Proper noun
Fucus m
- A taxonomic genus within the family Fucaceae – certain brown alga.
 
Hyponyms
- (genus): Fucus vesiculosus - type species; Fucus aleuticus, Fucus ceranoides, Fucus chalonii, Fucus cottonii, Fucus distichus, Fucus evanescens, Fucus gardneri, Fucus nereideus, Fucus serratus, Fucus spermophorus, Fucus spiralis, Fucus tendo, Fucus virsoides - species
 
fucus
fucus
See also: Fucus
French
Pronunciation
- IPA(key): /fy.kys/
 
Noun
fucus m (plural fucus)
Synonyms
Latin
Pronunciation
- (Classical) IPA(key): /ˈfuː.kus/, [ˈfuː.kʊs]
 
Etymology 1
Cognate with Ancient Greek φῦκος (phûkos, “seaweed, orchil”).
Noun
fūcus m (genitive fūcī); second declension
- orchil, seaweed
 - (as cosmetic) rouge
 - (for woolen goods) red dye
 - pretence, disguise, sham
 -  (poetic) bee glue, propolis
- 
Vergil, Georgics, 4.37-41 :
- ...neque illae/nequiquam in tectis certatim tenuia cera/spiramenta linunt fucoque et floribus oras/explent collectumque haec ipsa ad munera gluten/et visco et Phrygiae servant pice lentius Idae.
- ...nor for them/for naught the roofs' moilingly with thin wax/the spiracles do they line with rouge and dust by flowers' mouths'/expelled, garnered for the office of cement/than bird-lime which holds more still, or than the pitch from Phrygian Ida's pines.
 
 
 - ...neque illae/nequiquam in tectis certatim tenuia cera/spiramenta linunt fucoque et floribus oras/explent collectumque haec ipsa ad munera gluten/et visco et Phrygiae servant pice lentius Idae.
 
 - 
Vergil, Georgics, 4.37-41 :
 
Inflection
Second declension.
| Case | Singular | Plural | 
|---|---|---|
| nominative | fūcus | fūcī | 
| genitive | fūcī | fūcōrum | 
| dative | fūcō | fūcīs | 
| accusative | fūcum | fūcōs | 
| ablative | fūcō | fūcīs | 
| vocative | fūce | fūcī | 
Etymology 2
From Proto-Indo-European *bʰī- (“bee”), *bʰey-. Cognate with Ancient Greek σφήξ (sphḗx, “wasp”).
Noun
fūcus m (genitive fūcī); second declension
Inflection
Second declension.
| Case | Singular | Plural | 
|---|---|---|
| nominative | fūcus | fūcī | 
| genitive | fūcī | fūcōrum | 
| dative | fūcō | fūcīs | 
| accusative | fūcum | fūcōs | 
| ablative | fūcō | fūcīs | 
| vocative | fūce | fūcī | 
References
- fucus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
 - fucus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
 - FUCUS in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
 - Félix Gaffiot (1934), “fucus”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.
 - fucus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
 - fucus in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin