di‧a‧mond S3 /ˈdaɪəmənd/ 
 noun[
Date: 1200-1300; 
Language: Old French; 
Origin: diamant 'hard metal, diamond', from Greek adamas;  ⇒ adamant]
1.  [uncountable and countable] a clear, very hard valuable stone, used in jewellery and in industry: 
 a diamond engagement ring2.  [countable]
 a diamond engagement ring2.  [countable] a shape with four straight but sloping sides of equal length, with one point facing directly up and the other directly down: 
 Cut the cookie dough into diamonds.3.   a) diamonds
 Cut the cookie dough into diamonds.3.   a) diamonds one of the four 
suits (=types of cards) in a set of playing cards, which has the design of a red diamond shape on it
two/queen etc of diamonds the ace of diamonds b) [countable]
 the ace of diamonds b) [countable] a card from this suit: 
 You have to play a diamond.4.  [countable] a)
 You have to play a diamond.4.  [countable] a) the area in a baseball field that is within the diamond shape formed by the four 
bases b) the whole playing field used in baseball 
 [TahlilGaran] Dictionary of Contemporary English ▲
 field (
also pitch British English) a large area of ground, usually covered with grass, where team sports are played: 
 A few kids were playing on the football field.
 A few kids were playing on the football field.  a hockey fieldstadium
 a hockey fieldstadium a large sports field with seats all around it for people to watch team sports or track and field competitions: 
 The atmosphere in the Olympic Stadium was amazing.
 The atmosphere in the Olympic Stadium was amazing.  a football stadiumground British English
 a football stadiumground British English a sports field and the seats and buildings around it, belonging to a particular football, rugby, or cricket team: 
 I met my friends inside the ground.ballpark/park American English
 I met my friends inside the ground.ballpark/park American English a stadium where baseball is played: 
 Busch Stadium is one of the newest ballparks in Major League.court
 Busch Stadium is one of the newest ballparks in Major League.court an area with lines painted on the ground, for tennis, badminton, basketball, or volleyball: 
 The hotel has four tennis courts and a volleyball court.diamond
 The hotel has four tennis courts and a volleyball court.diamond the area in a baseball field that is within the shape formed by the four bases. The 
diamond can also be the whole field: 
 The pitcher stands in the middle of the diamond.
 The pitcher stands in the middle of the diamond.  There’s a playground, a picnic area, and a baseball diamond.track
 There’s a playground, a picnic area, and a baseball diamond.track a circular path with lines on it, for running on: 
 In the relay, each runner runs once around the track.gym
 In the relay, each runner runs once around the track.gym a room with machines which you can use to do exercises: 
 He spends an hour in the gym every day.pool/swimming pool
 He spends an hour in the gym every day.pool/swimming pool a place where you can swim: 
 He jumped into the deep end of the pool.
 He jumped into the deep end of the pool.  I’ll meet you outside the swimming pool.sports centre British English
 I’ll meet you outside the swimming pool.sports centre British English, 
sports center American English a building where you can play many types of indoor sports: 
 Why not do exercise classes at your local sports centre?health club
 Why not do exercise classes at your local sports centre?health club a small sports centre, where you pay to be a member: 
 How much does it cost to join a health club?
 How much does it cost to join a health club? [TahlilGaran] English Thesaurus ▲