knap

/nรฆp/

IPA: /N AE1 P/

noun
  1. 1

    A sharp blow or slap.

verb
  1. 1

    To shape a brittle material having conchoidal fracture, usually a mineral (flint, obsidian, chert etc.), by breaking away flakes, often forming a sharp edge or point.

  2. 2

    To rap or strike sharply.

  3. 3

    To bite; to bite off; to break short.

  4. 4

    To make a sound of snapping.

Synonyms

noun
  1. 1

    A protuberance; a swelling; a knob.

  2. 2

    The crest of a hill

  3. 3

    A small hill

Source: https://en.wiktionary.org/wiki/knap