D defs.my
Entry 1 sense Webster, 1913

Block chain

· IPA
01 A chain in which the alternate links are broad blocks connected by thin side links pivoted to the ends of the blocks, used with sprocket wh…
  1. 1.
    A chain in which the alternate links are broad blocks connected by thin side links pivoted to the ends of the blocks, used with sprocket wheels to transmit power, as in a bicycle.(Mach.)