Source : Webster's Revised Unabridged Dictionary (1913)

Laid \Laid\, imp. & p. p.
   of {Lay}.

   {Laid paper}, paper marked with parallel lines or water
      marks, as if ribbed, from parallel wires in the mold. It
      is called blue laid, cream laid, etc., according to its
      color.

Lay \Lay\, v. t. [imp. & p. p. {Laid}; p. pr. & vb. n.
   {Laying}.] [OE. leggen, AS. lecgan, causative, fr. licgan to
   lie; akin to D. leggen, G. legen, Icel. leggja, Goth. lagjan.
   See {Lie} to be prostrate.]
   1. To cause to lie down, to be prostrate, or to lie against
      something; to put or set down; to deposit; as, to lay a
      book on the table; to lay a body in the grave; a shower
      lays the dust.

            A stone was brought, and laid upon the mouth of the
            den.                                  --Dan. vi. 17.

            Soft on the flowery herb I found me laid. --Milton.

   2. To place in position; to establish firmly; to arrange with
      regularity; to dispose in ranks or tiers; as, to lay a
      corner stone; to lay bricks in a wall; to lay the covers
      on a table.

   3. To prepare; to make ready; to contrive; to provide; as, to
      lay a snare, an ambush, or a plan.

   4. To spread on a surface; as, to lay plaster or paint.

   5. To cause to be still; to calm; to allay; to suppress; to
      exorcise, as an evil spirit.

            After a tempest when the winds are laid. --Waller.

   6. To cause to lie dead or dying.

            Brave C[ae]neus laid Ortygius on the plain, The
            victor C[ae]neus was by Turnus slain. --Dryden.

   7. To deposit, as a wager; to stake; to risk.

            I dare lay mine honor He will remain so. --Shak.

   8. To bring forth and deposit; as, to lay eggs.

   9. To apply; to put.

            She layeth her hands to the spindle.  --Prov. xxxi.
                                                  19.

   10. To impose, as a burden, suffering, or punishment; to
       assess, as a tax; as, to lay a tax on land.

             The Lord hath laid on him the iniquity of us all.
                                                  --Is. Iiii. 6.

   11. To impute; to charge; to allege.

             God layeth not folly to them.        --Job xxiv.
                                                  12.

             Lay the fault on us.                 --Shak.

   12. To impose, as a command or a duty; as, to lay commands on
       one.

   13. To present or offer; as, to lay an indictment in a
       particular county; to lay a scheme before one.

   14. (Law) To state; to allege; as, to lay the venue.
       --Bouvier.

   15. (Mil.) To point; to aim; as, to lay a gun.

   16. (Rope Making) To put the strands of (a rope, a cable,
       etc.) in their proper places and twist or unite them; as,
       to lay a cable or rope.

   17. (Print.)
       (a) To place and arrange (pages) for a form upon the
           imposing stone.
       (b) To place (new type) properly in the cases.

   {To lay asleep}, to put sleep; to make unobservant or
      careless. --Bacon.

   {To lay bare}, to make bare; to strip.

            And laid those proud roofs bare to summer's rain.
                                                  --Byron.

   {To lay before}, to present to; to submit for consideration;
      as, the papers are laid before Congress.

   {To lay by}.
       (a) To save.
       (b) To discard.

                 Let brave spirits . . . not be laid by.
                                                  --Bacon.

   {To lay by the heels}, to put in the stocks. --Shak.

   {To lay down}.
       (a) To stake as a wager.
       (b) To yield; to relinquish; to surrender; as, to lay
           down one's life; to lay down one's arms.
       (c) To assert or advance, as a proposition or principle.
           

   {To lay forth}.
       (a) To extend at length; (reflexively) to exert one's
           self; to expatiate. [Obs.]
       (b) To lay out (as a corpse). [Obs.] --Shak.

   {To lay hands on}, to seize.

   {To lay hands on one's self}, or {To lay violent hands on
   one's self}, to injure one's self; specif., to commit
      suicide.

   {To lay heads together}, to consult.

   {To lay hold of}, or {To lay hold on}, to seize; to catch.

   {To lay in}, to store; to provide.

   {To lay it on}, to apply without stint. --Shak.

Source : WordNet®

laid
     adj : set down according to a plan:"a carefully laid table with
           places set for four people"; "stones laid in a pattern"
           [syn: {set}]

lay
     adj 1: concerning those not members of the clergy; "set his collar
            in laic rather than clerical position"; "the lay
            ministry"; "the choir sings both sacred and secular
            music" [syn: {laic}, {secular}]
     2: not of or from a profession; "a lay opinion as to the cause
        of the disease"
     [also: {laid}]

lay
     n 1: a narrative song with a recurrent refrain [syn: {ballad}]
     2: a narrative poem of popular origin [syn: {ballad}]
     [also: {laid}]

lay
     v 1: put into a certain place or abstract location; "Put your
          things here"; "Set the tray down"; "Set the dogs on the
          scent of the missing children"; "Place emphasis on a
          certain point" [syn: {put}, {set}, {place}, {pose}, {position}]
     2: put in a horizontal position; "lay the books on the table";
        "lay the patient carefully onto the bed" [syn: {put down},
         {repose}]
     3: prepare or position for action or operation; "lay a fire";
        "lay the foundation for a new health care plan"
     4: lay eggs; "This hen doesn't lay"
     5: impose as a duty, burden, or punishment; "lay a
        responsibility on someone"
     [also: {laid}]

lay
     See {lie}
     [also: {laid}]

laid
     See {lay}