Definition of piano hinge in English:

piano hinge

Syllabification: pi·a·no hinge

noun

A narrow hinge with a pin of the same length as the movable part.
More example sentences
  • This allowed me to attach both frames using one long piano hinge.
  • To join the framed artwork together, I used piano hinges.
  • Another large work is like the skeletal outline of a cupboard, constructed of white-painted wood, glass and piano hinges.

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Pronunciation: no͞os
noun
the mind or intellect