Source: online-dictionary wwwebster

Main Entry:
1block
(...) 6 a (1) : a usually rectangular space (as in a city) enclosed by streets and occupied by or intended for buildings (2) : the distance along one of the sides of such a block b (1) : a large building divided into separate functional units (2) : a line of row houses (3) : a distinctive part of a building or integrated group of buildings. (...)
2 block
transitive senses
1 a : to make unsuitable for
passage or progress by obstruction
b archaic :

BLOCKADE

c : to hinder the passage, progress, or accomplishment of by or as if by interposing an obstruction.
d: to shut off from view
<forest canopy blocking the sun>
e : to interfere usually legitimately with (as an
opponent) in various games or sports f : to prevent normal functioning of g : to restrict the exchange of (as currency or checks)

3 : to shape on, with, or as if with a block <block a hat>
4 : to secure, support, or
provide with a block
synonym see HINDER

Thesaurus
Entry Word: block
Function: noun
Synonyms barricade, barrier, blank wall, blockade, roadblock, stop, wall

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