A surname; an English topographic surname for someone who lived near a wood. / An unincorporated community and census-designated place in Logan County, Colorado, United States, derived from the surname.

plural of Atwood

A device used to verify the mechanical laws of motion with constant acceleration, consisting of two objects of known masses connected by a string over a pulley.

plural of Atwood machine

Of or pertaining to Margaret Atwood (born 1939), Canadian author and critic, or her works or style.