1) Ingredient of some soap 
[n] - a pale yellow to red-brown fatty oil obtained from seal blubber
Pressurized oil that flows along the shaft through the clearance space between the gland rings and the shaft. As long as the oil pressure exceeds the gas pressure in the machine, the oil flow will prevent hydrogen gas from escaping. Seal oil systems are on #8 and #9 Generators.
noun a pale yellow to red-brown fatty oil obtained from seal blubber; used in making soap and dressing leather and as a lubricant