Scythe is the symbol of the sharp decision, death and harvest. Sickle is almost always an omen of death.
Dream dictionary: Scythe, sickle dream meanings
Along with the scythe, a sickle traditionally symbolizes death, but in dreams, some authors interpret this as a possibility that the dreamers projects may be cut off suddenly. It can also indicate that there will be bad harvest or that the dreamers efforts will not be rewarded as expected.
…(Death | Mowing | Sickle) In a dream, a scythe means profits, good harvest, good news, true news, or the harvest of one’s life. (Also see Scissors)…
(See Scythe)
…who have no wealth, nor do they benefit anyone. A thorny tree in a dream represents a perplexed man. If one cuts a tree in a dream, it may mean the death of his wife, or that he will infringe upon a contract, or break a covenant. If a tree dries out in a dream, it means that a traveller may die in an accident, or that a sick person may die from his illness. If one sees a king or a man in authority carving some emblems on the trunk of a tree in a dream, it means that he is designing a plan to destroy someone. If he cuts it down with a scythe or a sickle in the dream, it means that he is demanding something, the other party cannot deliver. If one takes money from a tree in his dream, it means that he will earn…