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Noun: diamond  dI-mund
  1. Very hard native crystalline carbon valued as a gem
    - adamant [archaic]
  2. A transparent piece of diamond that has been cut and polished and is valued as a precious gem
  3. A parallelogram with four equal sides; an oblique-angled equilateral parallelogram
    - rhombus, rhomb
  4. A playing card in the minor suit that has one or more red rhombuses on it
    "he led a small diamond"; "diamonds were trumps"
  5. (baseball) the area of a baseball field that is enclosed by 3 bases and home plate
    - baseball diamond, infield
  6. The baseball playing field
    - ball field, baseball field

Derived forms: diamonds

Type of: athletic field, atomic number 6, C, carbon, field, gem, jewel, parallelogram, parcel, parcel of land, piece of ground, piece of land, pitch [Brit], playing area, playing card, playing field, precious stone, tract, transparent gem

Part of: ballpark [N. Amer], minor suit, park

Encyclopedia: Diamond, Milton