pencil

  1. Noun.  (obsolete) A paintbrush.
  2. Noun.  Writing utensil that uses graphite (commonly referred to as lead). Regular pencils usually have a graphite shaft surrounded by wood. Also available in a mechanical version where the graphite length can be adjusted and sharpening is not needed.
  3. Noun.  (geometry) A family of geometric objects with a common property, such as the set of lines that pass through a given point in a projective plane.
  4. Verb.  to write something using a pencil.
  5. Verb.  To tentatively make a booking or appointment.

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This entry was last updated on RefTopia from its source on 3/20/2012.