Definition of oakum in English:

oakum

Syllabification: oa·kum
Pronunciation: /ˈōkəm
 
/

noun

chiefly historical
Loose fiber obtained by untwisting old rope, used especially in caulking wooden ships.
More example sentences
  • Remember to use a filler, like oakum, for wide joints before you caulk.
  • You are losing daylight quickly, picking at the tough fibers that hold the fruit together, unable to separate them as if they were strands of oakum waiting to be picked and untwisted by slaves.
  • Even with the 20 th-century ‘improvements,’ the aluminum wiring was a fire hazard, the potable water supply plumbing was soldered with lead, and the waste lines were hand-tamped with oakum and lead.

Origin

Old English ācumbe, literally 'off-combings' The current sense dates from Middle English.

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