What is the meaning of stemmed?

verb

• Grow out of, have roots in, originate in.
  • usage: "The increase in the national debt stems from the last war"
  • synonyms: stem
• Cause to point inward.
  • usage: "stem your skis"
  • synonyms: stem
• Stop the flow of a liquid.
  • usage: "staunch the blood flow"; "stem the tide"
  • synonyms: stem, stanch, staunch, halt
• Remove the stem from.
  • usage: "for automatic natural language processing, the words must be stemmed"
  • synonyms: stem

adjective

• Having a stem or stems or having a stem as specified; often used in combination.
  • usage: "stemmed goblets"; "long-stemmed roses"
• Of plants. ( producing a well-developed stem above ground)
  • synonyms: caulescent, cauline
• Having the stem removed.
  • usage: "stemmed berries"