a small fragment, shard, or splinter of a hard substance like glass, ice, or ceramic

to cut or scratch the skin with a sharp shard of glass or ceramic

a source of conflict or a grudge between people; a cause for a quarrel or argument

(bound form) short hair or stubble remaining after shaving

crushed stones or slag used in construction, particularly for railway roadbeds

(slang) to come to blows; to get in a fight; to brawl