The definition of a block is a square piece of material that usually has flat surfaces that may be used for building things, as a child's toy, or as a work surface.(noun)
A block is defined as an area of four streets that goes in a square, or a single street within an area of four streets, or the length of one of those streets.(noun)
To block means to prevent something from happening or to make forward movement impossible.(verb)
See block in Webster's New World College Dictionary
Origin: ME blokke < OFr bloc & MDu block < IE *bhlugo- < base *bhel-, a thick plank, beam > balk, Gr phalanx, L fulcrum
Origin: Fr bloquer < the n.
Origin: after Adriaen Block, 17th-c. Du navigator who explored it
See block in American Heritage Dictionary 4
Origin: Middle English blok
Origin: , from Old French bloc
Origin: , from Middle Dutch.
(blŏk), Herbert Lawrence Known as Her·block (hûrˈblŏk) 1909-2001.
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