tin fish

tin fish

A sailor spots a tin fish approaching the ship.

Definition
  1. Noun (slang):
    • A torpedo: "tin fish" is a colloquial term for a torpedo, especially as used by naval forces.
    • A submarine: In informal usage, "tin fish" can also refer to a submarine, due to its metallic construction and torpedo-like shape.
Usage Examples
  • (They fired a torpedo.)
  • (Referring to the submarine itself.)
Advanced Usage
  • "to fire a tin fish": to launch a torpedo.

    • The captain ordered the crew to fire a tin fish at the approaching warship. (Execute a torpedo attack.)
  • "tin fish" in historical contexts: Often used in World War I and World War II naval jargon.

    • The old sailor recounted how they had to dodge tin fish during the convoy runs. (Avoid torpedoes during sea battles.)
Variants and Related Words
  • Tin (n): a metallic element used in alloys; also a container made of tin or other metal.
    • The ship's hull was made of tin and steel. (A metal material.)
  • Fish (n): a cold-blooded aquatic animal; also slang for a torpedo or submarine.
    • The navy called the torpedo a "fish" for short. (Slang abbreviation.)
Synonyms
  • Torpedo: a self-propelled underwater missile.
  • Submarine: a watercraft capable of independent operation underwater.
  • U-boat: a German submarine (historical term).
Idioms
  • "a tin fish in the water": a torpedo or submarine that is actively deployed.
    • We spotted a tin fish in the water, so we changed course to avoid it. (An active threat.)
Phrasal Verbs (related to usage)
  • "to fish for tin": (rare) to search for torpedoes or submarines.
    • The sonar operator was fishing for tin in the dark waters. (Searching for submarines.)
Related Terms
  • Depth charge: an anti-submarine weapon.
  • Periscope: an optical device on a submarine.