make the movement or flow in (a passage, pipe, road, etc.) difficult or impossible.
block up the holes with sticky tape
impress text or a design on (a book cover).
Original blue cloth, spine lettered and blocked in gold.
design or plan the movements of actors on a stage or movie set.
The stage version clearly needs blocking as there is a limited space on which to do the entire show.
shape or reshape (a hat) using a wooden mold.
He is well cast and carries the part like a well blocked hat, (though his own hat sometimes got the better of him).