ˈbläkə(r) noun
( -s )
: one that blocks: as
a. : a tool or device used in blocking or blocking out something ; especially : a forging die used for giving a forging approximately its final shape — compare breakdown 5, fuller
b. : a worker who blocks something or whose work is done on or with blocks: as
(1) : one that blocks clothing (as hats or knitted garments)
(2) : one that operates the blocks in wiredrawing
(3) : bracer II 1c
c. : a football player who engages in or is especially proficient in blocking
d. : blocking antibody
e. : caser 2
f. : one who blocks out with water colors the imperfections or unwanted parts of negatives to be used in photoengraving