Diamond /(?; 277)/

Di·a·mond

Diamond

n.
  1. A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
  2. A geometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.
  3. One of a suit of playing cards, stamped with the figure of a diamond.
  4. A pointed projection, like a four-sided pyramid, used for ornament in lines or groups. (Arch.)
  5. The infield; the square space, 90 feet on a side, having the bases at its angles. (Baseball)
  6. The smallest kind of type in English printing, except that called brilliant, which is seldom seen. (Print.)

Phrases & Compounds
Black diamond
coal;
Bristol diamond
See Bristol stone, under Bristol.
Diamond beetle
a large South American weevil (Entimus imperialis), remarkable for its splendid luster and colors, due to minute brilliant scales.
Diamond bird
a small Australian bird (Pardalotus punctatus, family Ampelidæ.). It is black, with white spots.
Diamond drill
a rod or tube the end of which is set with black diamonds; -- used for perforating hard substances, esp. for boring in rock.
Diamond finch
a small Australian sparrow, often kept in a cage. Its sides are black, with conspicuous white spots, and the rump is bright carmine.
Diamond groove
a groove of V-section in a roll.
Diamond mortar
a small steel mortar used for pulverizing hard substances.
Diamond-point tool
a cutting tool whose point is diamond-shaped.
Diamond snake
a harmless snake of Australia (Morelia spilotes); the carpet snake.
Glazier's diamond
a small diamond set in a glazier's tool, for cutting glass.

Diamond

a.
  1. Resembling a diamond; made of, or abounding in, diamonds; as, a diamond chain; a diamond field.