oakum
oakumnoun- [mass noun](chiefly historical)loose fibre obtained by untwisting old rope, used especially in caulking wooden ships
(主史)(尤用于填充木船以防漏的)填絮,麻絮
pick oakum- untwist old rope, especially as an occupation for prisoners
语源- Old English ācumbe, literally 'off-combings'. The current sense dates from Middle English
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