shard
noun
[ ʃɑːd ]
• a piece of broken ceramic, metal, glass, or rock, typically having sharp edges.
• "shards of glass flew in all directions"
Similar:
piece,
fragment,
bit,
sliver,
splinter,
shiver,
chip,
particle,
scrap,
paring,
shaving,
Origin:
Old English sceard ‘gap, notch, potsherd’, of Germanic origin; related to Dutch schaarde ‘notch’, also to shear.