a barrier that has parallel or crossed bars blocking a passage but admitting air | a place for shooting (firing or driving) projectiles of various kinds |
a frame of iron bars to hold a fire | a kitchen appliance used for cooking food |
optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum | an area in which something acts or operates or has power or control: |
| the limit of capability |
| a variety of different things or activities |
| (mathematics) the set of values of the dependent variable for which a function is defined |
| the limits within which something can be effective |
| a large tract of grassy open land on which livestock can graze |
| a series of hills or mountains |