a frame of iron bars to hold a fire | the quality of lacking any predictable order or plan |
a barrier that has parallel or crossed bars blocking a passage but admitting air | incomprehensibility resulting from irrelevant information or meaningless facts or remarks |
a harsh rasping sound made by scraping something | the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience |
| a loud outcry of protest or complaint |
| sound of any kind (especially unintelligible or dissonant sound) |
| electrical or acoustic activity that can disturb communication |