/suy'kleuh pee"euhn, suy klop"ee euhn/ , adj.
1. of or characteristic of the Cyclops.
2. ( sometimes l.c. ) gigantic; vast.
3. ( usually l.c. ) Archit., Building Trades. formed with or containing large, undressed stones fitted closely together without the use of mortar: a cyclopean wall.
[ 1635-45; Cyclope ( us ) ( Kyklópeios, equiv. to Kýklop ( s ) CYCLOPS + -eios -EOUS) + -AN ]