Similar words: soak up, dinkum, bunkum, kumquat, yakut, sneak up, speak up, break-up. Meaning: ['əʊkəm] 
n. loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk seams and pack joints in wooden ships.
n. loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk seams and pack joints in wooden ships. 
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1. Luckily I had a big case of oakum downstairs.
2. The cracks between the logs are chinked by oakum that I have laboriously pounded in.
3. Instead, he amused himself by pulling out the oakum from between the logs of the cabin.
4. Shipbuilders caulk wooden boats with oakum and tar.
5. He smelled the tar and oakum of the deck as he slept and he smelled the smell o Africa that the land breeze brought at morning.
6. 'So you'll begin to pick oakum to-morrow morning at six o'clock, ' added the surly one in the white waistcoat.
7. The word is oakum.
8. He smelled the tar and oakum of the deck as he slept and he smelled the smell of Africa that the land breeze brought at morning.http://sentencedict.com
9. I sat on the floor among them and picked oakum.
10. Below: Caulking - filling the gaps between planks with rolled oakum.
11. To make(a boat) watertight by packing seams with a waterproof material, such as oakum or pitch.
12. Nautical To make a boat watertight by packing seams a waterproof material, as oakum or pitch.
13. To make ( a boat ) watertight packing seams with a waterproof material, such as oakum or pitch.