burthen

Meanings

1. 1
   noun A heavy load.
2. 2
   noun A responsibility, onus.
3. 3
   noun A cause of worry; that which is grievous, wearisome, or oppressive.
4. 4
   noun The capacity of a vessel, or the weight of cargo that she will carry.
5. 5
   noun The tops or heads of stream-work which lie over the stream of tin.
6. 6
   noun The proportion of ore and flux to fuel, in the charge of a blast furnace.
7. 7
   noun A fixed quantity of certain commodities.
8. 8
   noun A birth.
9. 9
   noun The total amount of toxins, parasites, cancer cells, plaque or similar present in an organism.
10. 10
    verb To encumber with a literal or figurative burden.
11. 11
    verb To impose, as a load or burden; to lay or place as a burden (something heavy or objectionable).
12. 12
    noun The tonnage of a ship based on the number of tuns of wine that it could carry in its holds.