It's short for spermaceti whale.
Spermaceti is the name of the oil they produce for buoyancy/echolocation. Why is it called that? Because it was originally thought to be whale semen. Yes, really.
It's short for spermaceti whale.
Spermaceti is the name of the oil they produce for buoyancy/echolocation. Why is it called that? Because it was originally thought to be whale semen. Yes, really.