/ ˈgrɪdaɪən; NAmE -aɪərn/ noun
1.
a frame made of metal bars that is used for cooking meat or fish on, over an open fire ( figurative )
2.
( NAmE ) a field used for American football marked with a pattern of parallel lines
••
WORD ORIGIN
Middle English gredire , alteration of gredile griddle by association with iron .