1. a mass of precious metal
2. gold or silver in bars or ingots
The Collaborative International Dictionary of English v.0.48:
Bullion \Bul"lion\ (b[.u]l"y[u^]n), n. [Cf. OE. bullyon a hook
used for fastening the dress, a button, stud, an embossed
ornament of various kinds, e. g., on the cover of a book, on
bridles or poitrels, for purses, for breeches and doublets,
LL. bullio the swelling of boiling water, a mass of gold or
silver, fr. L. bulla boss, stud, bubble (see Bull an
edict), or perh. corrupted fr. F. billon base coin, LL.
billio bullion. Cf. Billon, Billet a stick.]
1. Uncoined gold or silver in the mass.
Note: Properly, the precious metals are called bullion, when
smelted and not perfectly refined, or when refined, but
in bars, ingots or in any form uncoined, as in plate.
The word is often often used to denote gold and silver,
both coined and uncoined, when reckoned by weight and
in mass, including especially foreign, or uncurrent,
2. Base or uncurrent coin. [Obs.]
And those which eld's strict doom did disallow,
And damm for bullion, go for current now.
3. Showy metallic ornament, as of gold, silver, or copper, on
bridles, saddles, etc. [Obs.]
The clasps and bullions were worth a thousand pound.
4. Heavy twisted fringe, made of fine gold or silver wire and
used for epaulets; also, any heavy twisted fringe whose
cords are prominent.
Moby Thesaurus II by Grady Ward, 1.0:
35 Moby Thesaurus words for "bullion":
bar, button, cast, casting, coin gold, coin silver, copper,
earth metals, gate, gold, gold dust, gold nugget, ingot, metal,
metal foil, metal leaf, metalleity, metallicity, metallics,
metalloid, metalware, metalwork, native metals, nickel,
noble metals, nugget, pig, precious metals, rare metals, regulus,
semimetal, sheet metal, silver, sow, yellow stuff