Quick definitions from WordNet (piece)

▸ noun:  a separate part of a whole ("An important piece of the evidence")
▸ noun:  an item that is an instance of some type ("He designed a new piece of equipment")
▸ noun:  a distance ("It is down the road a piece")
▸ noun:  an artistic or literary composition ("He wrote an interesting piece on Iran")
▸ noun:  an instance of some kind ("It was a nice piece of work")
▸ noun:  a serving that has been cut from a larger portion ("A piece of pie")
▸ noun:  a portable gun
▸ noun:  game equipment consisting of an object used in playing certain board games ("He sacrificed a piece to get a strategic advantage")
▸ noun:  a portion of a natural object ("He needed a piece of granite")
▸ noun:  a share of something
▸ noun:  a period of indeterminate length (usually short) marked by some action or condition ("I need to rest for a piece")
▸ noun:  a work of art of some artistic value ("It is not known who created this piece")
▸ noun:  a musical work that has been created
▸ verb:  repair by adding pieces ("She pieced the china cup")
▸ verb:  join during spinning ("Piece the broken pieces of thread, slivers, and rovings")
▸ verb:  to join or unite the pieces of
▸ verb:  make by putting pieces together ("She pieced a quilt")
▸ verb:  eat intermittently; take small bites of ("He pieced at the sandwich all morning")

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▸ Also see piece