# glaucus
## English
### Etymology

From Ancient Greek γλαυκός (glaukós, “blue-green, blue-grey”).

### Noun

glaucus (plural glaucuses)
* Any member of the genus Glaucus of nudibranchiate mollusks, found in the warmer latitudes, swimming in the open sea, strikingly colored with blue and silvery white.
* A desert lime (Citrus glauca), a thorny shrub species endemic to semi-arid regions of Australia.
** 1833, Charles Sturt, Two Expeditions into the Interior of Southern Australia, Complete‎:This pass is extremely abrupt, and is covered with glaucus, the low scrub I have noticed as common to the sand-stone formation.

#### Synonyms

* (nudibranchiate mollusk): sea swallow, blue angel, blue glaucus, blue dragon, blue sea slug, blue ocean slug

### References

* Glaucus on Wikipedia.Wikipedia
* Glaucus on Wikispecies.Wikispecies
* Category:Glaucus on Wikimedia Commons.Wikimedia Commons
* Citrus glauca on Wikipedia.Wikipedia
* Citrus on Wikispecies.Wikispecies
* Category:Citrus glauca on Wikimedia Commons.Wikimedia Commons

## Latin
### Pronunciation

* (Classical Latin) IPA: /ˈɡlau̯.kus/, [ˈɡɫ̪äu̯kʊs̠]
* (modern Italianate Ecclesiastical) IPA: /ˈɡlau̯.kus/, [ˈɡläːu̯kus]

### Etymology 1

From Ancient Greek γλαυκός (glaukós, “blue-green, blue-grey”).

#### Adjective

glaucus (feminine glauca, neuter glaucum); first/second-declension adjective
* bright, sparkling, gleaming
* gray-green, grayish

##### Declension

First/second-declension adjective.

##### Derived terms

* subglaucus

### See also

Colors in Latin · colōrēs (layout · text) :
| albus, candidus, subalbus, niveus, cēreus, marmoreus, eburneus, cānus, blancus (ML.) | glaucus, rāvus, pullus, cinereus, cinerāceus, plumbeus, grīseus (ML. or NL.) | niger, āter, piceus, furvus |
| ruber, rūbidus, rūfus, rubicundus, russus, rubrīcus, pūniceus, murrinus, mulleus; cocceus, coccīnus, badius | rutilus, armeniacus, aurantius, aurantiacus; fuscus, suffuscus, colōrius, cervīnus, spādīx, castaneus, aquilus, fulvus, brunneus (ML.) | flāvus, sufflāvus, flāvidus, fulvus, lūteus, gilvus, helvus, croceus, pallidus, blondinus (ML.) |
| galbus, galbinus, lūridus | viridis | prasinus |
| cȳaneus | caeruleus, azurīnus (ML.), caesius, blāvus (LL.) | glaucus; līvidus; venetus |
| violāceus, ianthinus, balaustīnus (NL.) | ostrīnus, amethystīnus | purpureus, ātropurpureus, roseus, rosāceus |

### Related terms

* glaucēum
* glaucōma
* glaucōpis

### Descendants

* → Catalan: glauc
* → English: glaucous
* → French: glauque
** → Romanian: glauc
* → Italian: glauco
* → Portuguese: glauco
* → Romanian: glauc
* → Spanish: glauco
* Translingual: See glauc at the Catalogue of Life

### Etymology 2

From Ancient Greek γλαῦκος (glaûkos, “an edible grey fish”).

#### Noun

glaucus m (genitive glaucī); second declension
* (Medieval Latin) a bluish-grey colored fish of uncertain identity, perhaps the derbio

##### Declension

Second-declension noun.

### References

* “glaucus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “glaucus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* "glaucus", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* “glaucus”, in The Perseus Project (1999) Perseus Encyclopedia‎
* “glaucus”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
* “glaucus”, in William Smith, editor (1848), A Dictionary of Greek and Roman Biography and Mythology, London: John Murray
* “glaucus”, in William Smith, editor (1854, 1857), A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly