n 1: a war measure that isolates some area of importance to the
enemy [syn: encirclement]
2: prevents access or progress
v 1: hinder or prevent the progress or accomplishment of; "His
brother blocked him at every turn" [syn: obstruct, block, hinder, stymie, stymy, embarrass]
2: render unsuitable for passage; "block the way"; "barricade
the streets" [syn: barricade, block, block off, {block
up}, bar]
3: obstruct access to [syn: block off]
4: impose a blockade on [syn: seal off]