chập

noun  

• như chặp

verb  

• To fasten together, to twist together
  • chập hai sợi dây buộc cho chắc
    to fasten together two strings for more solidity
  • sợi chỉ xe chập ba
    a thread made of three strands twisted together, a three-strand thread
  • sợi len chập bốn
    four-ply wool thread

• To put in direct contact (electric wire); to tangle (a watch hairspring..)

• chạp mả

• Visit one's ancestor tombs (at the end of the Lunar Year)