Definition (full): a burden, tribute, porterage, an utterance, chiefly a, doom, singing, mental, desire
Strong's Exhaustive Concordance
From nasa'; a burden; specifically, tribute, or (abstractly) porterage; figuratively, an utterance, chiefly a doom, especially singing; mental, desire -- burden, carry away, prophecy, X they set, song, tribute.
KJV: If thou see the ass of him that hateth thee lying under his burden, and wouldest forbear to help him, thou shalt surely help with him.
NASB: "If you see the donkey of one who hates you lying helpless under its load, you shall refrain from leaving it to him, you shall surely release it with him.
KJV: And when Aaron and his sons have made an end of covering the sanctuary, and all the vessels of the sanctuary, as the camp is to set forward; after that, the sons of Kohath shall come to bear it: but they shall not touch any holy thing, lest they die. These things are the burden of the sons of Kohath in the tabernacle of the congregation.
NASB: "When Aaron and his sons have finished covering the holy objects and all the furnishings of the sanctuary, when the camp is to set out, after that the sons of Kohath shall come to carry them, so that they will not touch the holy objects and die. These are the things in the tent of meeting which the sons of Kohath are to carry.
KJV: But thus do unto them, that they may live, and not die, when they approach unto the most holy things: Aaron and his sons shall go in, and appoint them every one to his service and to his burden:
NASB: "But do this to them that they may live and not die when they approach the most holy objects: Aaron and his sons shall go in and assign each of them to his work and to his load;