顶

頂
dǐng
  1. apex
  2. crown of the head
  3. top
  4. roof
  5. most
  6. to carry on the head
  7. to push to the top
  8. to go against
  9. to replace
  10. to substitute
  11. to be subjected to (an aerial bombing, hailstorm etc)
  12. (slang) to "bump" a forum thread to raise its profile
  13. classifier for headwear, hats, veils etc

CEDICT

slang

Classifier for

安全帽 ānquánmào safety helmet; hard hat

classifier: 頂
帐子 zhàngzi mosquito net

classifier: 頂
帐篷 zhàngpeng tent

classifiers: 頂, 座
帽子 màozi
  1. hat
  2. cap
  3. (fig.) label
  4. bad name

classifier: 頂
浴帽 yùmào shower cap

classifier: 頂
蚊帐 wénzhàng mosquito net

classifier: 頂