1. [n]  the area within view; "the coast is clear"
2. [n]  the shore of a sea or ocean
3. [v]  move effortlessly; by force of gravity

1. \Coast\, n. [OF. coste, F. c[^o]te, rib, hill, shore,
   coast, L. costa rib, side. Cf. {Accost}, v. t., {Cutlet}.]
   1. The side of a thing. [Obs.] --Sir I. Newton.
   2. The exterior line, limit, or border of a country; frontier
      border. [Obs.]
            From the river, the river Euphrates, even to the
            uttermost sea, shall your coast be.   --Deut. xi.
                                                  24.
   3. The seashore, or land near it.
            He sees in English ships the Holland coast.
                                                  --Dryden.
            We the Arabian coast do know At distance, when the
            species blow.                         --Waller.
   {The coast is clear}, the danger is over; no enemy in sight.
      --Dryden. Fig.: There are no obstacles. ``Seeing that the
      coast was clear, Zelmane dismissed Musidorus.'' --Sir P.
      Sidney.
   {Coast guard}.
      (a) A body of men originally employed along the coast to
          prevent smuggling; now, under the control of the
          admiralty, drilled as a naval reserve. [Eng.]
      (b) The force employed in life-saving stations along the
          seacoast. [U. S.]
   {Coast rat} (Zo["o]l.), a South African mammal ({Bathyergus
      suillus}), about the size of a rabbit, remarkable for its
      extensive burrows; -- called also {sand mole}.
   {Coast waiter}, a customhouse officer who superintends the
      landing or shipping of goods for the coast trade. [Eng.]
   

2. \Coast\, v. i. [imp. & p. p. {Coasted}; p. pr. & vb. n.
   {Coasting}.] [OE. costien, costeien, costen, OF. costier,
   costoier, F. c[^o]toyer, fr. Of. coste coast, F. c[^o]te. See
   {Coast}, n.]
   1. To draw or keep near; to approach. [Obs.]
            Anon she hears them chant it lustily, And all in
            haste she coasteth to the cry.        --Shak.
   2. To sail by or near the shore.
            The ancients coasted only in their navigation.
                                                  --Arbuthnot.
   3. To sail from port to port in the same country.
   4. [Cf. OF. coste, F. c[^o]te, hill, hillside.] To slide down
      hill; to slide on a sled, upon snow or ice. [Local, U. S.]
   

3. \Coast\, v. t.
   1. To draw near to; to approach; to keep near, or by the side
      of. [Obs.] --Hakluyt.
   2. To sail by or near; to follow the coast line of.
            Nearchus, . . . not knowing the compass, was fain to
            coast that shore.                     --Sir T.
                                                  Browne.
   3. To conduct along a coast or river bank. [Obs.]
            The Indians . . . coasted me along the river.
                                                  --Hakluyt.
   

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