Compounds of 一筆

• 一筆
  (n-adv,n-t) a few lines
  stroke of pen
• 一筆
  (n-adv,n-t) a few lines
  stroke of pen
• 一筆啓上
  (exp) Just a short note to tell you ...
  This will just be a short note. (a set formula of greeting used by a man at the beginning of a brief note)
• 一筆書き
  (n) one-stroke sketch
• 一筆書く
  (v5k) to drop a few lines