[1] : The Collaborative International Dictionary of English v.0.48

dollar \dol"lar\, n. d. daalder, lg. dahler, g. thaler, an
   abbreviation of joachimsthaler, i. e., a piece of money first
   coined, about the year 1518, in the valley g. thal of st.
   joachim, in bohemia. see dale.
   1.
      a a silver coin of the united states containing 371.25
          grains of silver and 41.25 grains of alloy, that is,
          having a total weight of 412.5 grains.
      b a gold coin of the united states containing 23.22
          grains of gold and 2.58 grains of alloy, that is,
          having a total weight of 25.8 grains, nine-tenths
          fine. it is no longer coined.
          1913 webster

   note: previous to 1837 the silver dollar had a larger amount
         of alloy, but only the same amount of silver as now,
         the total weight being 416 grains. the gold dollar as a
         distinct coin was first made in 1849. the eagles, half
         eagles, and quarter eagles coined before 1834 contained
         24.75 grains of gold and 2.25 grains of alloy for each
         dollar.
         1913 webster

   2. a coin of the same general weight and value as the united
      states silver dollar, though differing slightly in
      different countries, formerly current in mexico, canada,
      parts of south america, also in spain, and several other
      european countries.
      1913 webster +pjc

   3. the value of a dollar; the unit of currency, differing in
      value in different countries, commonly employed in the
      united states and a number of other countries, including
      australia, canada, hong kong, parts of the carribbean,
      liberia, and several others.
      1913 webster +pjc

   chop dollar. see under 9th chop.

   dollar fish zool., a fish of the united states coast
      stromateus triacanthus, having a flat, roundish form
      and a bright silvery luster; -- called also butterfish,
      and lafayette. see butterfish.

   trade dollar, a silver coin formerly made at the united
      states mint, intended for export, and not legal tender at
      home. it contained 378 grains of silver and 42 grains of
      alloy.
see also:
dale chop dollar chop dollar fish stromateus triacanthus butterfish 
lafayette butterfish trade dollar 

[2] : The Collaborative International Dictionary of English v.0.48

chop \chop\, n. chin.  hind. ch=ap stamp, brand.
   1913 webster
   1. quality; brand; as, silk of the first chop.
      1913 webster

   2. a permit or clearance.
      1913 webster

   chop dollar, a silver dollar stamped to attest its purity.
      

   chop of tea, a number of boxes of the same make and quality
      of leaf.

   chowchow chop. see under chowchow.

   grand chop, a ship's port clearance. --s. w. williams.
      1913 webster
see also:
chop dollar chop of tea chowchow chop chowchow grand chop 

Chop >> C Words
Chop, definition of term: Chop
chop_pag1.html

Dollar >> D Words
Dollar, definition of term: Dollar
dollar_pag1.html

Chop Up >> C Words
Chop Up, definition of term: Chop Up
chop+up_pag1.html

Chop Suey >> C Words
Chop Suey, definition of term: Chop Suey
chop+suey_pag1.html

Chop Shop >> C Words
Chop Shop, definition of term: Chop Shop
chop+shop_pag1.html

Chop Off >> C Words
Chop Off, definition of term: Chop Off
chop+off_pag1.html

Mutton Chop >> M Words
Mutton Chop, definition of term: Mutton Chop
mutton+chop_pag1.html