noun (n)

• the physical condition of blocking or filling a passage with an obstruction

  kondisi fisik menahan atau mengisi bagian dengan obstruksi

  Synonym:
  obstruction
  

  source: wordnet30
• an obstruction in a pipe or tube

  obstruksi dalam pipa atau tiub

  Example:
  We had to call a plumber to clear out the blockage in the drainpipe.
  

  Synonym:
  block, closure, occlusion, stop, stoppage
  

  source: wordnet30
• the act of blocking

  tindakan menghalangi

  Synonym:
  closure, occlusion
  

  source: wordnet30
• The act of blocking up; the state of being blocked up.

  tindakan menutup; keadaan di blok up.

  source: webster1913