a very hard usually colorless stone that is a form of carbon and is used especially in jewelry —often used before another noun
a shape that is formed by four equal straight lines and that has two opposite angles that are smaller than a right angle and two opposite angles that are larger than a right angle
a playing card that is marked with a red diamond shape
to make a choice about (something) : to choose (something) after thinking about it —often followed by to + verb —often + what, where, whether, if, etc.
to choose whether or not to believe (something) after thinking about it : to reach a conclusion about (something) because of evidence
to cause (something) to end in a particular way : to determine what the result of (something) will be —often used as deciding
