Definitions
1.NounA glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron."The saw is coated with diamond.; synthetic diamond"
2.NounA gemstone made from this mineral."The dozen loose diamonds sparkled in the light."
3.NounA diamond ring."What a beautiful engagement diamond."
4.NounA very pale blue color."diamond: "
5.NounSable, when blazoning by precious stones.
6.NounSomething that resembles a diamond.
7.NounA rhombus, especially when oriented so that its longer axis is vertical.
8.NounA polyiamond consisting of two triangles.
9.NounThe entire field of play used in the game.
10.NounThe infield of a baseball field."The teams met on the diamond."
11.NounA card of the diamonds suit."I have only one diamond in my hand."
12.NounA town square.
13.NounThe size of type between brilliant and pearl, standardized as 4+⁄2-point.
14.AdjectiveMade of, or containing diamond, a diamond or diamonds."He gave her diamond earrings."
15.AdjectiveOf, relating to, or being a sixtieth anniversary."Today is their diamond wedding anniversary."
16.AdjectiveOf, relating to, or being a seventy-fifth anniversary."Today is their diamond wedding anniversary."
17.AdjectiveFirst-rate; excellent."He's a diamond geezer.; (The addition of quotations indicative of this usage is being sought:)"
18.VerbTo adorn with or as if with diamonds.