()

noun
load; burden; baggage
transportationabstract
1. load; baggage; cargo
Goods or baggage being carried or transported. Often appears in compounds such as 荷物(にもつ) (luggage) rather than as a standalone word in modern speech.
()背負(せお)
To carry a load on one's back.
We loaded a heavy cargo onto the horse.
The work of loading cargo onto the ship is still going on.
2. burden; responsibility
Figuratively, a weight of responsibility or worry that one must bear. Used in set expressions about feeling burdened or relieved.
試験(しけん)()わり、(かた)()()りた。
The exam ended and a weight came off my shoulders.
この仕事(しごと)(わたし)()(おも)すぎる。
This job is too heavy a burden for me.
Caring for my parents has become a heavy burden.

Standalone () is somewhat literary; most everyday uses appear in compounds or set expressions. The figurative 'burden' sense is the more common standalone use today.

Common expressions