dog-star

The dog-star shines brightly in the night sky.

Definition

1. Noun:
   • The brightest star in the constellation Canis Major: "dog-star" is a common name for Sirius, which is the most luminous star visible from Earth at night. It is often referred to as the "Dog Star" because it lies in the constellation that represents a hunting dog (Canis Major, Latin for "Greater Dog").
   • A prominent celestial body associated with heat: In ancient times, the heliacal rising of the dog-star (its first appearance in the morning sky) marked the hottest period of summer, known as the "dog days."

Usage Examples

• (Sirius is the brightest star.)
• (Sirius had cultural and agricultural significance.)

Advanced Usage

• "the dog-star" as a poetic or literary reference: Used metaphorically to denote brilliance, intensity, or a blazing presence.

  • Her gaze was as fierce as the dog-star's light. (Her look was piercing and intense, like Sirius.)

• "dog-star days": A rare synonym for the "dog days of summer," the period of extreme heat linked to Sirius's position.

  • We endured the dog-star days with little relief. (We suffered through the peak of summer heat.)

Variants and Related Words

• Dog-star (n): This term is a proper noun and is typically capitalized as "Dog Star" or written as a compound "dog-star." It is not used in other forms.
• Dog days (n pl): The hottest, most uncomfortable part of summer, traditionally believed to be caused by the dog-star's proximity to the sun.
  • The dog days of August are unbearable without air conditioning. (The hottest period of summer.)

Synonyms

• Sirius: The scientific name for the dog-star.
• Alpha Canis Majoris: The astronomical designation for the brightest star in Canis Major.

Related Idioms

• "The dog-star rising": A phrase referring to the beginning of the dog days or a time of great heat or turmoil.

  • With the dog-star rising, the crops withered under the relentless sun. (The onset of extreme heat caused damage.)

• "As bright as the dog-star": A simile meaning extremely luminous or noticeable.

  • Her diamond necklace was as bright as the dog-star. (Her jewelry was dazzling and eye-catching.)