/ blɑːk /
ETYM Old Eng. blok; cf. French bloc (fr. Old High Germ.), Dutch and Dan. blok, Swed. and German block, Old High Germ. bloch.
1. A three-dimensional shape with six square or rectangular sides; SYN. cube.
2. A rectangular area in a city surrounded by streets and usually containing several buildings; SYN. city block.
3. A number or quantity of related things dealt with as a unit.
4. A sector or group of sectors that function as the smallest data unit permitted.
5. Housing in a large building that is divided into separate units.
6. A solid piece of something (usually having flat rectangular sides).
7. An inability to remember or think of something one normally can do; often caused by emotional tension; SYN. mental block.