INDEX n.
r rows of holes differently spaced; used in machines for graduating circles, cutting gear teeth, etc. -- Index prohibitorius Etym: [L.], or Prohibitory index (R. C. Ch.), a catalogue of books which are forbidden by the church to be read; the index expurgatorius Etym: [L.], or expurgatory index, is a catalogue of books…
IT pron.
, at the Straits of Thermopylæ, when their arms failed them, fought it out with nails and teeth. Dryden. Whether the charmer sinner it, or saint it, If folly grows romantic, I must paint it. Pope. Its self. See Itself.
IVORY n.
Teeth; as, to show one's ivories. [Slang] Ivory black. See under Black, n. -- Ivory gull (Zoöl.), 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 whiti…
LAMPREY n.
era. The lampreys have a round, sucking mouth, without jaws, but set with numerous minute teeth, and one to three larger teeth on the palate (see Illust. of Cyclostomi). There are seven small branchial openings on each side. [Written also lamper eel, lamprel, and lampron.]