noun

• Care for one's personal appearance, hygiene, and clothing.
• (biology) The practice of primates picking through the hair of others, looking for insects etc.
• The act of teaching someone, often for advancement at work.
• Caring for horses or other animals by brushing and cleaning them.
• The act of gaining the trust of a child or vulnerable person with the intention of luring them into a sexual relationship.
• (software engineering) In agile software development, the reviewing and prioritization of items in the development backlog. (Now increasingly termed refinement instead.)