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A constellation in the Southern Hemisphere near Musca and Triangulum Australe.

[New Latin, from Latin circinus, pair of compasses, from circus, circle; see circle.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, Latin genitive Circini (ˈsɜːsɪˌnaɪ)
(Astronomy) a small faint constellation in the S hemisphere close to Centaurus and the Southern Cross
[C19: from Latin, a pair of compasses]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun1.Circinus - a small faint constellation in the southern hemisphere near Musca and Triangulum Australe
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References in periodicals archive ?
Broidy's attorneys have shot back at the accusations, saying that neither he nor his security firm Circinus LLC had any contact with "any Romanian government agency, proxy or agent." His attorneys say that Circinus did close a deal with Angola in 2016 but argue that there was no connection with Broidy's work on the inaugural committee. 
Takuma Izumi, a researcher at the National Astronomical Observatory of Japan (NAOJ), led a team of astronomers that used ALMA to observe the supermassive black hole in the Circinus Galaxy located 14 million light-years away from the Earth in the direction of the constellation Circinus.
At the same time, Broidy also owns a defense contractor, Circinus LLC, that in the past year signed a contract worth more than $200 million with the United Arab Emirates and is pursuing another large contract with Saudi Arabia.
At the time of the advocacy work, his company, Circinus, did not have business with the UAE, but was awarded a more than $200mn contract in January.
Broidy's defence company Circinus has hundreds of millions of dollars worth of contracts with the UAE, according to the New York Times newspaper.
An international research team led by Konrad Tristram from the Max-Planck-Institute for Radio Astronomy in Bonn, Germany found that the dust directly illuminated by the central engine of the Circinus Galaxy is located in two distinct components: an inner warped disk and a surrounding larger distribution of dust.
She used her 12-inch and 16-inch S/C telescopes with an Astrometric eyepiece to measure the position and separation of a 16 double stars in Circinus. She also gave detailed descriptions of the colours and appearance of these stars in the eyepiece.
Named the Circinus pulsar for the galaxy in which it resides, this rhythmically flashing neutron star rotates 400 times per minute and has a magnetic field trillions of times stronger than Earth's, Fishman says.
Broidy's defense company Circinus has hundreds of millions of dollars worth of contracts with the UAE, according to The New York Times.