Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) obstruction, blockage (the physical condition of blocking or filling a passage with an obstruction)
S: (n) blockage, block, closure, occlusion, stop, stoppage (an obstruction in a pipe or tube) "we had to call a plumber to clear out the blockage in the drainpipe"