1 block /ˈblɑːk/ noun
plural blocks
1 block
plural blocks
Learner's definition of BLOCK
[count] : a solid piece of material (such as rock or wood) that has flat sides and is usually square or rectangular in shape
see also building block, chopping block, starting block
: an area of land surrounded by four streets in a city
US : the length of one city block
[count] : a large building divided into separate units (such as apartments or shops)
◊ This sense of block is more common in British English than in U.S. English.
see also block of flats, cellblock, tower block
[singular] : something that stops the progress or achievement of something
[count] sports : an action or movement that stops or slows down an opponent
[singular] : something that stops a person from thinking about certain things see also stumbling block, writer's block
: a number of similar things that form a group
: an amount or section of something

chip off the old block

see 1chip

knock someone's block off

see 1knock

new kid on the block

see 1kid

on the block

or on the auction block
: for sale at an auction
broadly : for sale
2 block /ˈblɑːk/ verb
blocks; blocked; blocking
2 block
blocks; blocked; blocking
Learner's definition of BLOCK
[+ object]
: to be placed in front of (something, such as a road or path) so that people or things cannot pass through
sometimes + up
: to place something in front of (something, such as a road) so that people or things cannot go into the area
often + off
[+ object]
: to stop (someone or something) from moving through or going by
: to stop (something) from getting through to someone or something
: to be in front of (something) so that it cannot be seen
[+ object]
: to not allow (something, such as progress or an action) to occur
: to be in the way of (something)
sports : to stop the movement of (an opponent, a shot, etc.)
[+ object]
[no object]

block in

[phrasal verb]
block in (someone or something) or block (someone or something) in
: to put something in front of (someone or something) so that person or thing cannot leave

block out

[phrasal verb]
block out (something) or block (something) out
: to hide or cover something so that it cannot be seen, felt, or heard
: to force yourself not to think about (something) : to ignore (something)

— blocker

noun, plural blockers [count]