noun (n)

• an acutely pointed Gothic arch, like a lance(noun.artifact)

  Synonym:
  lancet arch
  

  source: wordnet30
• a surgical knife with a pointed double-edged blade; used for punctures and small incisions(noun.artifact)

  Synonym:
  lance
  

  source: wordnet30
• A surgical instrument of various forms, commonly sharp-pointed and two-edged, used in venesection, and in opening abscesses, etc.(noun)

  source: webster1913