Diamond (4minute album)
WordNet
noun
(1) The baseball playing field
(2) The area of a baseball field that is enclosed by 3 bases and home plate
(3) A playing card in the minor suit that has one or more red rhombuses on it
"He led a small diamond"
"Diamonds were trumps"
(4) A transparent piece of diamond that has been cut and polished and is valued as a precious gem
(5) Very hard native crystalline carbon valued as a gem