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

ivory \i"vory\ imac"v-ory^, n.; pl. ivories. oe.
   ivori, f. ivoire, fr. l. eboreus made of ivory, fr. ebur,
   eboris, ivory, cf. skr. ibha elephant. cf. eburnean.
   1913 webster
   1. the hard, white, opaque, fine-grained substance
      constituting the tusks of the elephant. it is a variety of
      dentine, characterized by the minuteness and close
      arrangement of the tubes, as also by their double flexure.
      it is used in manufacturing articles of ornament or
      utility.
      1913 webster

   note: ivory is the name commercially given not only to the
         substance constituting the tusks of the elephant, but
         also to that of the tusks of the hippopotamus and
         walrus, the hornlike tusk of the narwhal, etc.
         1913 webster

   2. the tusks themselves of the elephant, etc.
      1913 webster

   3. any carving executed in ivory. --mollett.
      1913 webster

   4. pl. teeth; as, to show one's ivories. slang
      1913 webster

   ivory black. see under black, n.

   ivory gull zool., a white arctic gull larus eburneus.
      

   ivory nut bot., the nut of a species of palm, the
      phytephas macroarpa, often as large as a hen's egg. when
      young the seed contains a fluid, which gradually hardness
      into a whitish, close-grained, albuminous substance,
      resembling the finest ivory in texture and color, whence
      it is called vegetable ivory. it is wrought into various
      articles, as buttons, chessmen, etc. the palm is found in
      new grenada. a smaller kind is the fruit of the phytephas
      microarpa. the nuts are known in commerce as corosso
      nuts.

   ivory palm bot., the palm tree which produces ivory nuts.
      

   ivory shell zool., any species of eburna, a genus of
      marine gastropod shells, having a smooth surface, usually
      white with red or brown spots.

   vegetable ivory, the meat of the ivory nut. see ivory nut
      above.
      1913 webster ivorybill
see also:
ivories eburnean ivory black black ivory gull larus eburneus 
ivory nut phytephas macroarpa vegetable ivory phytephas microarpa ivory palm 
ivory shell eburna vegetable ivory 

[2] : WordNet (r) 2.0

ivory nut
     n : nutlike seed of a south american palm; the hard white shell
         takes a high polish and is used for e.g. buttons syn: vegetable
         ivory, apple nut
see also:
vegetable ivory apple nut 

Cola Nut >> C Words
Cola Nut, definition of term: Cola Nut
cola+nut_pag1.html

Cashew Nut >> C Words
Cashew Nut, definition of term: Cashew Nut
cashew+nut_pag1.html

Brazil Nut >> B Words
Brazil Nut, definition of term: Brazil Nut
brazil+nut_pag1.html

Betel Nut >> B Words
Betel Nut, definition of term: Betel Nut
betel+nut_pag1.html

Bolt And Nut >> B Words
Bolt And Nut, definition of term: Bolt And Nut
bolt+and+nut_pag1.html