Definition

1. Noun:
   • A lantern with a single opening and a sliding panel that can be closed to conceal the light: A portable light source designed to allow its user to control the visibility of the light it emits, typically by sliding a cover over its single opening.

Usage

• The term "dark lantern" is a historical or specialized noun. It is used to describe a specific type of lantern, notably from earlier centuries, used by individuals like watchmen, police officers, or those needing to conceal their light source for stealth.

Examples

• Noun:
  • The night watchman carried a dark lantern to inspect the premises without being easily seen.
  • In the 19th century, a dark lantern was essential equipment for a detective.

Advanced Usage

• The "dark lantern" is often associated with historical, literary, or stealth contexts. Its function is not merely to provide light but to provide light.
• "to shroud/shutter a dark lantern": to close the sliding panel to hide the light completely.
  • The thief shrouded his dark lantern as the guards approached.

Variants and Related Words

• Lantern (n): a portable protective case for a light source, with openings to let the light out. A "dark lantern" is a specific subtype of a lantern.
• Bull's-eye lantern (n): a similar historical lantern with a lens to concentrate light into a beam; sometimes conflated with or considered a type of dark lantern.

Synonyms

• Shuttered lantern: A lantern with a cover, though not necessarily a single sliding one.
• Police lantern: A term sometimes used historically, referencing one of its common users.

Related Phrases/Idioms

• While there is no common phrasal verb or idiom using "dark lantern," the object itself can be used metaphorically.
• "like a dark lantern": describing something that reveals information selectively or secretly.
  • His explanation was like a dark lantern, illuminating only what he wanted us to see.

Noun

1. a lantern with a single opening and a sliding panel that can be closed to conceal the light