A beer.
Warm beer flavoured with spices, lemon, etc.
A long draught from a drink.
A tackle with ropes which are not parallel.
To take up the last bit of slack in rigging by taking a single turn around a cleat, then hauling on the line above and below the cleat while keeping tension on the line.
To drink (usually by gulping or in a greedy or unrefined manner); to quaff.