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English definition of “seam”

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seam

noun [C]  /sim/ us  

seam noun [C] (JOINT)

a line where two things join, esp. where two pieces of cloth or other material have been sewn together: My jacket came apart at the back seam.

seam noun [C] (LAYER)

a long, thin layer of rock or another substance that formed between layers of other rocks: a coal seam
(Definition of seam from the Cambridge Academic Content Dictionary © Cambridge University Press)
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