The Collaborative International Dictionary of English v.0.48:

Peter \Pe"ter\ (p[=e]"t[~e]r), prop. n.
   A common baptismal name for a man. The name of one of the
   twelve apostles of Christ.
   [1913 Webster]

   Peter boat, a fishing boat, sharp at both ends, originally
      of the Baltic Sea, but now common in certain English
      rivers.

   Peter Funk, the auctioneer in a mock auction. [Cant, U.S.]


   Peter pence, or Peter's pence.
   (a) An annual tax or tribute, formerly paid by the English
       people to the pope, being a penny for every house,
       payable on Lammas or St. Peter's day; -- called also
       Rome scot, and hearth money.
   (b) In modern times, a voluntary contribution made by Roman
       Catholics to the private purse of the pope.

   Peter's fish (Zool.), a haddock; -- so called because the
      black spots, one on each side, behind the gills, are
      traditionally said to have been caused by the fingers of
      St. Peter, when he caught the fish to pay the tribute. The
      name is applied, also, to other fishes having similar
      spots.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hearth \Hearth\ (h[aum]rth), n. [OE. harthe, herth, herthe, AS.
   heor[eth]; akin to D. haard, heerd, Sw. h[aum]rd, G. herd;
   cf. Goth. ha['u]ri a coal, Icel. hyrr embers, and L. cremare
   to burn.]
   1. The pavement or floor of brick, stone, or metal in a
      chimney, on which a fire is made; the floor of a
      fireplace; also, a corresponding part of a stove.
      [1913 Webster]

            There was a fire on the hearth burning before him.
                                                  --Jer. xxxvi.
                                                  22.
      [1913 Webster]

            Where fires thou find'st unraked and hearths
            unswept.
            There pinch the maids as blue as bilberry. --Shak.
      [1913 Webster]

   2. The house itself, as the abode of comfort to its inmates
      and of hospitality to strangers; fireside.
      [1913 Webster]

            Household talk and phrases of the hearth.
                                                  --Tennyson.

   3. (Metal. & Manuf.) The floor of a furnace, on which the
      material to be heated lies, or the lowest part of a
      melting furnace, into which the melted material settles;
      as, an open-hearth smelting furnace.
      [1913 Webster +PJC]

   Hearth ends (Metal.), fragments of lead ore ejected from
      the furnace by the blast.

   Hearth money, Hearth penny [AS. heor[eth]pening], a tax
      formerly laid in England on hearths, each hearth (in all
      houses paying the church and poor rates) being taxed at
      two shillings; -- called also chimney money, etc.
      [1913 Webster]

            He had been importuned by the common people to
            relieve them from the . . . burden of the hearth
            money.                                --Macaulay.
      [1913 Webster]

WordNet (r) 3.0 (2006):

hearth money
    n 1: an annual contribution made by Roman Catholics to support
         the papal see [syn: hearth money, Peter's pence]