razor-back

A razor-back whale surfaces in the open ocean.

Definition

1. Noun:
   • A sharp ridge: "razor-back" refers to a narrow, steep ridge or hill that resembles the sharp edge of a razor.
   • A type of whale: "razor-back" is also a common name for the fin whale (Balaenoptera physalus), also called the "razor-back whale," due to the prominent ridge along its back.
   • A type of pig: In informal usage, "razor-back" can refer to a feral or semi-wild pig with a sharp, raised back ridge, common in the southern United States.

Usage Examples

• Sharp ridge:
  • The hikers carefully traversed the razor-back, a narrow path with steep drops on both sides. (A sharp, dangerous ridge.)
• Whale:
  • The razor-back whale is known for its speed and the distinctive ridge on its back. (A type of baleen whale.)
• Pig:
  • The farmer caught a razor-back that had been rooting in the field. (A wild pig with a sharp back.)

Advanced Usage

• "razor-back ridge": a specific geological formation with a knife-edge top.
  • The trail followed a razor-back ridge for two miles, offering stunning views. (A very narrow mountain crest.)
• "razor-back hog": a term for a feral pig with a prominent back ridge.
  • The razor-back hog is a hardy animal that thrives in the wild. (A wild pig species.)

Variants and Related Words

• Razor-backed (adj): having a sharp, raised back like a razor.
  • The razor-backed pig was difficult to catch. (Describing the animal's physical feature.)
• Razorback (n): a common alternative spelling, especially for the pig or whale.
  • The razorback is a mascot for the University of Arkansas. (Referring to the feral pig.)

Synonyms

• Fin whale: the scientific term for the razor-back whale.
• Feral hog: a wild pig, often with a raised back.
• Arête: a sharp mountain ridge (geological term).

Related Idioms

• "Razor-back of a decision": an informal phrase meaning a very narrow or precarious choice.
  • He was on the razor-back of deciding whether to move or stay. (A difficult, edge-of-the-knife decision.)

Additional Notes

• The term "razor-back" is primarily used in North American English for the pig and in general English for the whale. The ridge meaning is more common in hiking and geology contexts.