The Collaborative International Dictionary of English v.0.48:

Pillow \Pil"low\, v. t. [imp. & p. p. Pillowed; p. pr. & vb.
   n. Pillowing.]
   To rest or lay upon, or as upon, a pillow; to support; as, to
   pillow the head.
   [1913 Webster]

         Pillows his chin upon an orient wave.    --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pillow \Pil"low\, n. [OE. pilwe, AS. pyle, fr. L. pilvinus.]
   1. Anything used to support the head of a person when
      reposing; especially, a sack or case filled with feathers,
      down, hair, or other soft material.
      [1913 Webster]

            [Resty sloth] finds the down pillow hard. --Shak.
      [1913 Webster]

   2. (Mach.) A piece of metal or wood, forming a support to
      equalize pressure; a brass; a pillow block. [R.]
      [1913 Webster]

   3. (Naut.) A block under the inner end of a bowsprit.
      [1913 Webster]

   4. A kind of plain, coarse fustian.
      [1913 Webster]

   Lace pillow, a cushion used in making hand-wrought lace.

   Pillow bier [OE. pilwebere; cf. LG. b["u]re a pillowcase],
      a pillowcase; pillow slip. [Obs.] --Chaucer.

   Pillow block (Mach.), a block, or standard, for supporting
      a journal, as of a shaft. It is usually bolted to the
      frame or foundation of a machine, and is often furnished
      with journal boxes, and a movable cover, or cap, for
      tightening the bearings by means of bolts; -- called also
      pillar block, or plumber block.

   Pillow lace, handmade lace wrought with bobbins upon a lace
      pillow.

   Pillow of a plow, a crosspiece of wood which serves to
      raise or lower the beam.

   Pillow sham, an ornamental covering laid over a pillow when
      not in use.

   Pillow slip, a pillowcase.
      [1913 Webster]

WordNet (r) 3.0 (2006):

pillow
    n 1: a cushion to support the head of a sleeping person
    v 1: rest on or as if on a pillow; "pillow your head" [syn:
         pillow, rest]

Moby Thesaurus II by Grady Ward, 1.0:

81 Moby Thesaurus words for "pillow":
   afford support, air mattress, back, back up, bear, bear up,
   bedding, blubber, bolster, bolster up, brace, breeze, buoy up,
   butter, buttress, carry, clay, cradle, crutch, cushion, dough,
   down, eiderdown, feather bed, feathers, fleece, floss, flue, fluff,
   foam, give support, hold, hold up, innerspring mattress, kapok,
   keep afloat, keep up, lend support, litter, mainstay, maintain,
   mat, mattress, pad, pallet, plush, prop, pudding, puff, putty,
   reinforce, rubber, rug, satin, shore, shore up, shoulder, silk,
   sleeping bag, springs, stay, subsidize, subvention, support,
   sustain, swansdown, thistledown, underbed, underbedding,
   underbrace, undergird, underlie, underpin, underset, upbear,
   uphold, upkeep, velvet, wax, wool, zephyr



U.S. Gazetteer Places (2000):

Pillow, PA -- U.S. borough in Pennsylvania
   Population (2000):    304
   Housing Units (2000): 139
   Land area (2000):     0.479079 sq. miles (1.240809 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.479079 sq. miles (1.240809 sq. km)
   FIPS code:            60264
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.640430 N, 76.803464 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Pillow, PA
    Pillow