塞 - close, shut, cover

to stop up; to close up; to block (up); to plug up; to shut up; to cover (ears, eyes, etc.); to close (eyes, mouth)

blockage; blockade; blocking up; stoppage; obstruction; occlusion

to be closed; to be blocked; to be healed (e.g. wound); to be shut up

stoppage; blocking

Serbia

frontier fort

angle-closure glaucoma

thromboangiitis obliterans; Buerger disease

automatic block signal

fort; stronghold; fortification

plug; full up; being filled; stopped up

to dam up (a stream); to dam