Diamond meaning

noun

1. a transparent piece of diamond that has been cut and polished and is valued as a precious gem

2. very hard native crystalline carbon valued as a gem

   Synonymsadamant

3. a parallelogram with four equal sides; an oblique-angled equilateral parallelogram

   Synonymsrhombusrhomb

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. the area of a baseball field that is enclosed by 3 bases and home plate

   Synonymsbaseball diamondinfield

6. the baseball playing field

   Synonymsball fieldbaseball field