diamond
di-a-mond
noun
A very hard, brilliant precious stone, a form of carbon, used in jewellery.
"She wore a beautiful diamond ring on her finger."
noun
A geometric shape with four equal sides, like a playing card symbol.
"The playing card had a red diamond symbol."
Thesaurus
Synonyms: rhombus, rhomb, infield, baseball diamond, adamant, ball field, baseball field
Antonyms: outfield