Common name for Sirius (Alpha Canis Majoris) (3,4)

I believe the answer is:

dog star

(Other definitions for dog star that I've seen before include "Part of 8 [CANIS MAJOR]" , "What may not be seen on cloudy night" , "clearly visible shiner" , "Drags to find other name for Sirius" , "slightly flashy night-spot?" .)

I've seen this clue in The Guardian.

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