Weed whackers, also known as string trimmers, are a type of gardening tool used to cut grass and weeds. They are powered by either electricity or gasoline and feature a long shaft with a cutting head at the end. The two crossword solutions for the term 'weed whackers' are 'HOERS' (5 letters) and 'HOES' (4 letters). 'HOERS' is an alternate spelling of 'HORSE, ' which is a type of power-driven weed whacker. 'HOES' is a reference to the traditional garden hoe, which is a manual tool used to remove weeds.