D defs.my
Entry 1 sense Webster, 1913

Earthboard

/(ẽrth"bōrd`)/ · Earth·board · IPA
01 n. The part of a plow, or other implement, that turns over the earth; the moldboard.
  1. 1.
    The part of a plow, or other implement, that turns over the earth; the moldboard.(Agric.)