Procyon

[ proh-see-on ]
/ ˈproʊ siˌɒn /
|

noun Astronomy.

a first-magnitude star in the constellation Canis Minor.

Origin of Procyon

1650–60; < Latin < Greek Prokýōn name of a star, equivalent to pro- pro-2 + kýōn dog (see hound1); so called because it rises just before Sirius, the Dog Star
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for procyon

British Dictionary definitions for procyon

Procyon

/ (ˈprəʊsɪən) /

noun

the brightest star in the constellation Canis Minor, a binary with a very faint companion. Visual magnitude: 0.34; spectral type: F5IV; distance: 114 light years

Word Origin for Procyon

C17: via Latin from Greek Prokuōn literally: before the Dog, from pro- ² + kuōn dog; so named because it rises just before Sirius, the Dog Star
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for procyon

Procyon

[ prōsē-ŏn′ ]

A very bright binary star in the constellation Canis Minor, with an apparent magnitude of 0.34. Scientific name: Alpha Canis Minoris.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.