Answer:
An utensil used for bread. Also a paper cutter. Used by a thug to take a life, Or wielded by the tamest wife, When used to spread the butter.
What runs around the whole yard without moving?
In spring I look gay, Covered in a green array, The warmer it gets the more clothing I wear, As the cold grows, I throw away my clothes.
What is always on its way but never arrives?
They are Dark, and always on the run. without the sun, would be none!
What an fill a room but takes up no space?