primage

noun4

1. •
   (Australia, New-Zealand) An additional import duty levied by customs.

   • The rate of primage duty was subsequently increased to 4 per cent. as from the 6th November, 1930. — 1932
2. •
   (rare) Droplets of water suspended in steam (especially in the cylinder of a steam engine).

   • Of these temperatures, only one, the second, indicates primage; all others exhibit a slight superheat. — 1883
3. •
   (UK, no longer used) An import duty levied by a guild of harbour pilots (especially at Kingston-upon-Hull and Newcastle-upon-Tyne).
4. •
   (no longer used) A payment made for loading or unloading a ship, or for care of goods during transit by ship.

   • By the bill of lading the master undertakes to deliver the goods on payment of freight with primage and average accustomed. — 1818