burden
A heavy load.
A responsibility, onus.
A cause of worry; that which is grievous, wearisome, or oppressive.
The capacity of a vessel, or the weight of cargo that she will carry.
"a ship of a hundred tons burden"
The tops or heads of stream-work which lie over the stream of tin.
The proportion of ore and flux to fuel, in the charge of a blast furnace.
A fixed quantity of certain commodities.
"A burden of gad steel is 120 pounds."
A birth.
"… that bore thee at a burden two fair sons."
The total amount of toxins, parasites, cancer cells, plaque or similar present in an organism.
The distance between rows of blastholes parallel to the major free face (i.e. face of the excavation)
To encumber with a burden.
"to burden a nation with taxes"
To impose, as a load or burden; to lay or place as a burden (something heavy or objectionable).
A phrase or theme that recurs at the end of each verse in a folk song or ballad.
The drone of a bagpipe.
A theme, a core idea.
"the burden of the argument"
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