n.[C]

1. 記號筆，馬克筆；記分員；記分裝置
2. （網球場等的）劃線裝置
3. 書籤
4. 標識，標誌
   a boundary marker

   界標

5. 紀念碑；墓碑；里程碑

n.

1. an object used to indicate a position, place, or route.
   ▸a distinctive feature or characteristic indicative of a particular quality or condition.
   ▸Genetics  an allele used to identify a chromosome or to locate other genes on a genetic map.
2. a felt-tip pen with a broad tip.
3. Brit. (in team games) a player who marks an opponent.
4. a person who marks a test or examination.
   ▸a person who records the score in a game, especially in snooker or billiards.
5. N. Amer. informal a promissory note; an IOU.