Noah Webster's Dictionary (n.) Plural of Harvestman.

Multi-Version Concordance Harvestmen (2 Occurrences) Matthew 13:30 Suffer both to grow together unto the harvest, and in time of the harvest I will say to the harvestmen, Gather first the darnel, and bind it into bundles to burn it; but the wheat bring together into my granary. (DBY) Matthew 13:39 and the enemy who has sowed it is the devil; and the harvest is the completion of the age, and the harvestmen are angels. (DBY)