ground


ground (http://definr.com/ground)

     adj : broken or pounded into small fragments; used of e.g. ore or
           stone; "paved with crushed bluestone"; "ground glass is
           used as an abrasive" [syn: crushed]
     n 1: the solid part of the earth's surface; "the plane turned
          away from the sea and moved back over land"; "the earth
          shook for several minutes"; "he dropped the logs on the
          ground" [syn: land, dry land, earth, solid ground,
           terra firma]
     2: a rational motive for a belief or action; "the reason that
        war was declared"; "the grounds for their declaration"
        [syn: reason]
     3: the loose soft material that makes up a large part of the
        land surface; "they dug into the earth outside the church"
        [syn: earth]
     4: a relation that provides the foundation for something; "they
        were on a friendly footing" or "he worked on an interim
        basis" [syn: footing, basis]
     5: a position to be won or defended in battle (or as if in
        battle); "they gained ground step by step"; "they fought
        to regain the lost ground"
     6: the part of a scene (or picture) that lies behind objects in
        the foreground; "he posed her against a background of
        rolling hills" [syn: background]
     7: material in the top layer of the surface of the earth in
        which plants can grow (especially with reference to its
        quality or use); "the land had never been plowed"; "good
        agricultural soil" [syn: land, soil]
     8: a relatively homogeneous percept extending back of the
        figure on which attention is focused [ant: figure]
     9: a connection between an electrical device and the earth
        (which is a zero voltage) [syn: earth]
     10: (art) the surface (as a wall or canvas) prepared to take the
         paint for a painting
     11: the first or preliminary coat of paint or size applied to a
         surface [syn: flat coat, primer, priming, {primer
         coat}, priming coat, undercoat]
     v 1: fix firmly and stably; "anchor the lamppost in concrete"
          [syn: anchor]
     2: confine or restrict to the ground; "After the accident, they
        grounded the plane and the pilot"
     3: place or out on the ground
     4: instruct someone in the fundamentals of a subject
     5: bring to the ground, as of vessels [syn: run aground]
     6: hit or reach the ground [syn: run aground]
     7: throw (a football) to the ground in order to stop play and
        avoid being tackled behind the line of scrimmage"
     8: hit a groundball, in baseball; "he grounded to the second
        baseman"
     9: hit (a baseball) onto the ground
     10: cover with a primer; apply a primer to [syn: prime, undercoat]
     11: connect to a ground, of electrical connections for safety
         reasons
     12: use as a basis for; found on; "base a claim on some
         observation" [syn: establish, base, found]