weigh in1
1(Of a boxer or jockey) be officially weighed before or after a contest: Mason weighed in at 17st 10 lb...
- No objection was lodged before the jockeys weighed in.
- Tann weighed in for the bout at 230 pounds while Gavern tipped the scales at 223 pounds.
- For example, I only weigh about 200 lb when I weigh in with my clothes on.
2 informal Make a forceful contribution to a competition or argument: the dispute turned nastier when Steward weighed in the paper’s editor weighed in with criticism of the president...
- Politicians and officials weighed in to say the government should act.
- In your capacity as an elections official, I appeal to you to weigh in on the side of democratic principles.
- The Washington Post, official voice of the Democratic Party, weighs in on Social Security, in an article titled ‘Poorest Face Most Risk on Social Security’.
See parent entry: weigh
weigh-in2 
noun
An official or regular weighing of something or someone, for example of boxers before a fight.The day before the fight was the weigh-in he signed another boxing contract without my knowledge....
- How do you feel about the big weight gains some fighters make between weigh-ins and fight time?
- The film shows Ali acting up at the weigh-in for the Liston fight.
- clapper rail
- clap skate
- clap someone in jail (or irons)
- clap something on
- clap stick
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- claptrap
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- clarion