Lightship

noun

Definitions

Noun
  1. 1
    A ship riding at anchor and displaying a light for the guidance of sailors, in a position where a fixed lighthouse structure would be impracticable.

    "Near-synonyms: lightvessel (usually synonymous), lightboat"

  2. 2
    a ship equipped like a lighthouse and anchored where a permanent lighthouse would be impracticable wordnet

Etymology

From light (noun) + ship (noun). Cognate with Middle Low German lüchteschip (“lightship”), Dutch lichtschip (“lightship”).

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