1.
A load of any kind (Ex. 23:5).
2.
A severe task (Ex. 2:11).
3.
A difficult duty, requiring effort (Ex. 18:22).
4.
A prophecy of a calamitous or disastrous nature (Isa. 13:1; 17:1; Hab. 1:1, etc.).
Easton’s Bible Dictionary
Burden
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.