Definition of shard noun from the Oxford Advanced Learner's Dictionary

 

shard

 noun
noun
BrE BrE//ʃɑːd//
 
; NAmE NAmE//ʃɑːrd//
 
(also sherd)
 
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a piece of broken glass, metal, etc. shards of glass The brickwork exploded in dust and flying shards of clay. Word Origin Old English sceard ‘gap, notch’, of Germanic origin; related to Dutch schaarde ‘notch’, also to shear.
See the Oxford Advanced American Dictionary entry: shard