block
//blɒk//
Noun
A solid piece of hard material, especially wood, stone, or plastic, typically with flat surfaces on each side
The child built a tower with wooden blocks.
A large single building subdivided into separate rooms, flats, or offices
She lives in a block of flats near the station.
An area of land bounded by four streets in a town or city
The park is just two blocks away from here.
A quantity or allocation of things regarded as a unit
I bought a block of tickets for the concert.
An obstacle or impediment to progress or understanding
Fear can be a mental block to success.
Verb
To prevent movement through or access to something by placing an obstacle in the way
A fallen tree blocked the road.
To prevent someone from doing something or making progress
The new law blocks companies from raising prices too quickly.
To stop or deflect something such as a blow or ball
The goalkeeper blocked the shot.