Arthur 2

2. the full extent of something from end to end; the amount of space that something covers. The length of time for which something lasts.
3. wood prepared for use in building and carpentry
6. animal lacking a backbone, such as an arthropod, mollusc, annelid etc. (singular)
8. reduction in the number or quantity of something
9. a place or opening through which something is let out : exit, vent.
10. pasture by livestock or wildlife to the point where the grass cover is depleted, leaving bare, unprotected patches of soil. As a result, water and wind cause erosion, especially on clay soils, and the growth of poisonous plants and thorny shrubs may increase
11. a band of colours, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength

1. not sharp
4. a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations
5. an area of open uncultivated land, typically on acid sandy soil, with characteristic vegetation of gorse, and coarse grasses (singular)
7. a tree that bears cones and needle-like or scale-like leaves that are typically evergreen